Home / 2,910.14-4,381.20-2,565.44

Finding the Fourth Proportional to 2,910.14, 4,381.20 and 2,565.44

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Solution

The fourth proportional to 2,910.14, 4,381.20 and 2,565.44 is: 3,862.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.14 : 4,381.20 = 2,565.44 : x
  2. Step 2: Convert to fraction form
    2,910.14/4,381.20 = 2,565.44/x
  3. Step 3: Cross multiply
    2,910.14x = 4,381.20 × 2,565.44
  4. Step 4: Simplify right side
    2,910.14x = 11,239,705.73
  5. Step 5: Solve for x
    x = 11,239,705.73/2,910.14
  6. Step 6: Final answer
    x = 3,862.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.