Home / 2,381.88-3,565.26-2,291.16

Finding the Fourth Proportional to 2,381.88, 3,565.26 and 2,291.16

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Solution

The fourth proportional to 2,381.88, 3,565.26 and 2,291.16 is: 3,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.88 : 3,565.26 = 2,291.16 : x
  2. Step 2: Convert to fraction form
    2,381.88/3,565.26 = 2,291.16/x
  3. Step 3: Cross multiply
    2,381.88x = 3,565.26 × 2,291.16
  4. Step 4: Simplify right side
    2,381.88x = 8,168,581.10
  5. Step 5: Solve for x
    x = 8,168,581.10/2,381.88
  6. Step 6: Final answer
    x = 3,429.47

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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.