Home / 4,031.38-6,047.85-1,398.79

Finding the Fourth Proportional to 4,031.38, 6,047.85 and 1,398.79

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Solution

The fourth proportional to 4,031.38, 6,047.85 and 1,398.79 is: 2,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,031.38 : 6,047.85 = 1,398.79 : x
  2. Step 2: Convert to fraction form
    4,031.38/6,047.85 = 1,398.79/x
  3. Step 3: Cross multiply
    4,031.38x = 6,047.85 × 1,398.79
  4. Step 4: Simplify right side
    4,031.38x = 8,459,634.87
  5. Step 5: Solve for x
    x = 8,459,634.87/4,031.38
  6. Step 6: Final answer
    x = 2,098.45

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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.