Home / 2,659.20-3,669.39-1,539.92

Finding the Fourth Proportional to 2,659.20, 3,669.39 and 1,539.92

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Solution

The fourth proportional to 2,659.20, 3,669.39 and 1,539.92 is: 2,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.20 : 3,669.39 = 1,539.92 : x
  2. Step 2: Convert to fraction form
    2,659.20/3,669.39 = 1,539.92/x
  3. Step 3: Cross multiply
    2,659.20x = 3,669.39 × 1,539.92
  4. Step 4: Simplify right side
    2,659.20x = 5,650,565.74
  5. Step 5: Solve for x
    x = 5,650,565.74/2,659.20
  6. Step 6: Final answer
    x = 2,124.91

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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.