Home / 2,557.15-3,835.26-707.83

Finding the Fourth Proportional to 2,557.15, 3,835.26 and 707.83

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Solution

The fourth proportional to 2,557.15, 3,835.26 and 707.83 is: 1,061.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.15 : 3,835.26 = 707.83 : x
  2. Step 2: Convert to fraction form
    2,557.15/3,835.26 = 707.83/x
  3. Step 3: Cross multiply
    2,557.15x = 3,835.26 × 707.83
  4. Step 4: Simplify right side
    2,557.15x = 2,714,712.09
  5. Step 5: Solve for x
    x = 2,714,712.09/2,557.15
  6. Step 6: Final answer
    x = 1,061.62

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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.