Home / 3,437.55-5,156.32-1,246.28

Finding the Fourth Proportional to 3,437.55, 5,156.32 and 1,246.28

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Solution

The fourth proportional to 3,437.55, 5,156.32 and 1,246.28 is: 1,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.55 : 5,156.32 = 1,246.28 : x
  2. Step 2: Convert to fraction form
    3,437.55/5,156.32 = 1,246.28/x
  3. Step 3: Cross multiply
    3,437.55x = 5,156.32 × 1,246.28
  4. Step 4: Simplify right side
    3,437.55x = 6,426,192.71
  5. Step 5: Solve for x
    x = 6,426,192.71/3,437.55
  6. Step 6: Final answer
    x = 1,869.41

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.