Home / 3,490.28-5,237.14-1,641.56

Finding the Fourth Proportional to 3,490.28, 5,237.14 and 1,641.56

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Solution

The fourth proportional to 3,490.28, 5,237.14 and 1,641.56 is: 2,463.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.28 : 5,237.14 = 1,641.56 : x
  2. Step 2: Convert to fraction form
    3,490.28/5,237.14 = 1,641.56/x
  3. Step 3: Cross multiply
    3,490.28x = 5,237.14 × 1,641.56
  4. Step 4: Simplify right side
    3,490.28x = 8,597,079.54
  5. Step 5: Solve for x
    x = 8,597,079.54/3,490.28
  6. Step 6: Final answer
    x = 2,463.15

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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.