Home / 3,472.51-5,207.45-1,131.90

Finding the Fourth Proportional to 3,472.51, 5,207.45 and 1,131.90

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Solution

The fourth proportional to 3,472.51, 5,207.45 and 1,131.90 is: 1,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.51 : 5,207.45 = 1,131.90 : x
  2. Step 2: Convert to fraction form
    3,472.51/5,207.45 = 1,131.90/x
  3. Step 3: Cross multiply
    3,472.51x = 5,207.45 × 1,131.90
  4. Step 4: Simplify right side
    3,472.51x = 5,894,312.66
  5. Step 5: Solve for x
    x = 5,894,312.66/3,472.51
  6. Step 6: Final answer
    x = 1,697.42

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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.