Home / 2,485.08-3,429.14-1,436.76

Finding the Fourth Proportional to 2,485.08, 3,429.14 and 1,436.76

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Solution

The fourth proportional to 2,485.08, 3,429.14 and 1,436.76 is: 1,982.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.08 : 3,429.14 = 1,436.76 : x
  2. Step 2: Convert to fraction form
    2,485.08/3,429.14 = 1,436.76/x
  3. Step 3: Cross multiply
    2,485.08x = 3,429.14 × 1,436.76
  4. Step 4: Simplify right side
    2,485.08x = 4,926,851.19
  5. Step 5: Solve for x
    x = 4,926,851.19/2,485.08
  6. Step 6: Final answer
    x = 1,982.57

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Half scale
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Double scale
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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.