Home / 2,529.50-3,489.72-1,867.92

Finding the Fourth Proportional to 2,529.50, 3,489.72 and 1,867.92

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Solution

The fourth proportional to 2,529.50, 3,489.72 and 1,867.92 is: 2,577.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.50 : 3,489.72 = 1,867.92 : x
  2. Step 2: Convert to fraction form
    2,529.50/3,489.72 = 1,867.92/x
  3. Step 3: Cross multiply
    2,529.50x = 3,489.72 × 1,867.92
  4. Step 4: Simplify right side
    2,529.50x = 6,518,517.78
  5. Step 5: Solve for x
    x = 6,518,517.78/2,529.50
  6. Step 6: Final answer
    x = 2,577.00

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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.