Home / 1,031.35-1,423.25-559.24

Finding the Fourth Proportional to 1,031.35, 1,423.25 and 559.24

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Solution

The fourth proportional to 1,031.35, 1,423.25 and 559.24 is: 771.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.35 : 1,423.25 = 559.24 : x
  2. Step 2: Convert to fraction form
    1,031.35/1,423.25 = 559.24/x
  3. Step 3: Cross multiply
    1,031.35x = 1,423.25 × 559.24
  4. Step 4: Simplify right side
    1,031.35x = 795,936.17
  5. Step 5: Solve for x
    x = 795,936.17/1,031.35
  6. Step 6: Final answer
    x = 771.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.