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Finding the Fourth Proportional to 2,862.92, 3,950.92 and 1,604.02

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Solution

The fourth proportional to 2,862.92, 3,950.92 and 1,604.02 is: 2,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.92 : 3,950.92 = 1,604.02 : x
  2. Step 2: Convert to fraction form
    2,862.92/3,950.92 = 1,604.02/x
  3. Step 3: Cross multiply
    2,862.92x = 3,950.92 × 1,604.02
  4. Step 4: Simplify right side
    2,862.92x = 6,337,354.70
  5. Step 5: Solve for x
    x = 6,337,354.70/2,862.92
  6. Step 6: Final answer
    x = 2,213.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.