Home / 3,607.28-5,411.18-1,267.02

Finding the Fourth Proportional to 3,607.28, 5,411.18 and 1,267.02

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Solution

The fourth proportional to 3,607.28, 5,411.18 and 1,267.02 is: 1,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.28 : 5,411.18 = 1,267.02 : x
  2. Step 2: Convert to fraction form
    3,607.28/5,411.18 = 1,267.02/x
  3. Step 3: Cross multiply
    3,607.28x = 5,411.18 × 1,267.02
  4. Step 4: Simplify right side
    3,607.28x = 6,856,073.28
  5. Step 5: Solve for x
    x = 6,856,073.28/3,607.28
  6. Step 6: Final answer
    x = 1,900.62

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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.