Home / 3,105.30-4,284.26-1,760.76

Finding the Fourth Proportional to 3,105.30, 4,284.26 and 1,760.76

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Solution

The fourth proportional to 3,105.30, 4,284.26 and 1,760.76 is: 2,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.30 : 4,284.26 = 1,760.76 : x
  2. Step 2: Convert to fraction form
    3,105.30/4,284.26 = 1,760.76/x
  3. Step 3: Cross multiply
    3,105.30x = 4,284.26 × 1,760.76
  4. Step 4: Simplify right side
    3,105.30x = 7,543,544.83
  5. Step 5: Solve for x
    x = 7,543,544.83/3,105.30
  6. Step 6: Final answer
    x = 2,429.25

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,106.30, 4,285.63 and 1,761.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.