Home / 1,391.24-2,087.17-466.90

Finding the Fourth Proportional to 1,391.24, 2,087.17 and 466.90

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Solution

The fourth proportional to 1,391.24, 2,087.17 and 466.90 is: 700.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391.24 : 2,087.17 = 466.90 : x
  2. Step 2: Convert to fraction form
    1,391.24/2,087.17 = 466.90/x
  3. Step 3: Cross multiply
    1,391.24x = 2,087.17 × 466.90
  4. Step 4: Simplify right side
    1,391.24x = 974,493.29
  5. Step 5: Solve for x
    x = 974,493.29/1,391.24
  6. Step 6: Final answer
    x = 700.45

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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.