Home / 3,461.43-5,192.45-1,487.15

Finding the Fourth Proportional to 3,461.43, 5,192.45 and 1,487.15

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Solution

The fourth proportional to 3,461.43, 5,192.45 and 1,487.15 is: 2,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.43 : 5,192.45 = 1,487.15 : x
  2. Step 2: Convert to fraction form
    3,461.43/5,192.45 = 1,487.15/x
  3. Step 3: Cross multiply
    3,461.43x = 5,192.45 × 1,487.15
  4. Step 4: Simplify right side
    3,461.43x = 7,721,944.58
  5. Step 5: Solve for x
    x = 7,721,944.58/3,461.43
  6. Step 6: Final answer
    x = 2,230.85

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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.