Home / 2,381.54-3,565.13-1,282.57

Finding the Fourth Proportional to 2,381.54, 3,565.13 and 1,282.57

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Solution

The fourth proportional to 2,381.54, 3,565.13 and 1,282.57 is: 1,919.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.54 : 3,565.13 = 1,282.57 : x
  2. Step 2: Convert to fraction form
    2,381.54/3,565.13 = 1,282.57/x
  3. Step 3: Cross multiply
    2,381.54x = 3,565.13 × 1,282.57
  4. Step 4: Simplify right side
    2,381.54x = 4,572,513.46
  5. Step 5: Solve for x
    x = 4,572,513.46/2,381.54
  6. Step 6: Final answer
    x = 1,919.99

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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.