Home / 3,059.19-4,221.56-1,732.81

Finding the Fourth Proportional to 3,059.19, 4,221.56 and 1,732.81

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Solution

The fourth proportional to 3,059.19, 4,221.56 and 1,732.81 is: 2,391.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.19 : 4,221.56 = 1,732.81 : x
  2. Step 2: Convert to fraction form
    3,059.19/4,221.56 = 1,732.81/x
  3. Step 3: Cross multiply
    3,059.19x = 4,221.56 × 1,732.81
  4. Step 4: Simplify right side
    3,059.19x = 7,315,161.38
  5. Step 5: Solve for x
    x = 7,315,161.38/3,059.19
  6. Step 6: Final answer
    x = 2,391.21

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Half scale
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Double scale
Find fourth proportional to 3,060.19, 4,222.94 and 1,733.81
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.