Home / 3,628.38-5,442.76-1,031.52

Finding the Fourth Proportional to 3,628.38, 5,442.76 and 1,031.52

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Solution

The fourth proportional to 3,628.38, 5,442.76 and 1,031.52 is: 1,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.38 : 5,442.76 = 1,031.52 : x
  2. Step 2: Convert to fraction form
    3,628.38/5,442.76 = 1,031.52/x
  3. Step 3: Cross multiply
    3,628.38x = 5,442.76 × 1,031.52
  4. Step 4: Simplify right side
    3,628.38x = 5,614,315.80
  5. Step 5: Solve for x
    x = 5,614,315.80/3,628.38
  6. Step 6: Final answer
    x = 1,547.33

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1.5x scale

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.