Home / 3,421.22-5,132.13-956.06

Finding the Fourth Proportional to 3,421.22, 5,132.13 and 956.06

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Solution

The fourth proportional to 3,421.22, 5,132.13 and 956.06 is: 1,434.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.22 : 5,132.13 = 956.06 : x
  2. Step 2: Convert to fraction form
    3,421.22/5,132.13 = 956.06/x
  3. Step 3: Cross multiply
    3,421.22x = 5,132.13 × 956.06
  4. Step 4: Simplify right side
    3,421.22x = 4,906,624.21
  5. Step 5: Solve for x
    x = 4,906,624.21/3,421.22
  6. Step 6: Final answer
    x = 1,434.17

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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.