Home / 1,031.38-1,423.29-589.27

Finding the Fourth Proportional to 1,031.38, 1,423.29 and 589.27

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Solution

The fourth proportional to 1,031.38, 1,423.29 and 589.27 is: 813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.38 : 1,423.29 = 589.27 : x
  2. Step 2: Convert to fraction form
    1,031.38/1,423.29 = 589.27/x
  3. Step 3: Cross multiply
    1,031.38x = 1,423.29 × 589.27
  4. Step 4: Simplify right side
    1,031.38x = 838,702.10
  5. Step 5: Solve for x
    x = 838,702.10/1,031.38
  6. Step 6: Final answer
    x = 813.18

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1.5x scale

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.