Home / 2,529.16-3,489.92-1,409.95

Finding the Fourth Proportional to 2,529.16, 3,489.92 and 1,409.95

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Solution

The fourth proportional to 2,529.16, 3,489.92 and 1,409.95 is: 1,945.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.16 : 3,489.92 = 1,409.95 : x
  2. Step 2: Convert to fraction form
    2,529.16/3,489.92 = 1,409.95/x
  3. Step 3: Cross multiply
    2,529.16x = 3,489.92 × 1,409.95
  4. Step 4: Simplify right side
    2,529.16x = 4,920,612.70
  5. Step 5: Solve for x
    x = 4,920,612.70/2,529.16
  6. Step 6: Final answer
    x = 1,945.55

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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.