Home / 2,127.26-3,189.17-956.66

Finding the Fourth Proportional to 2,127.26, 3,189.17 and 956.66

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Solution

The fourth proportional to 2,127.26, 3,189.17 and 956.66 is: 1,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.26 : 3,189.17 = 956.66 : x
  2. Step 2: Convert to fraction form
    2,127.26/3,189.17 = 956.66/x
  3. Step 3: Cross multiply
    2,127.26x = 3,189.17 × 956.66
  4. Step 4: Simplify right side
    2,127.26x = 3,050,955.76
  5. Step 5: Solve for x
    x = 3,050,955.76/2,127.26
  6. Step 6: Final answer
    x = 1,434.22

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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.