Home / 1,812.33-2,719.17-1,031.85

Finding the Fourth Proportional to 1,812.33, 2,719.17 and 1,031.85

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Solution

The fourth proportional to 1,812.33, 2,719.17 and 1,031.85 is: 1,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.33 : 2,719.17 = 1,031.85 : x
  2. Step 2: Convert to fraction form
    1,812.33/2,719.17 = 1,031.85/x
  3. Step 3: Cross multiply
    1,812.33x = 2,719.17 × 1,031.85
  4. Step 4: Simplify right side
    1,812.33x = 2,805,775.56
  5. Step 5: Solve for x
    x = 2,805,775.56/1,812.33
  6. Step 6: Final answer
    x = 1,548.16

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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.