Home / 3,031.24-4,178.10-2,400.52

Finding the Fourth Proportional to 3,031.24, 4,178.10 and 2,400.52

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Solution

The fourth proportional to 3,031.24, 4,178.10 and 2,400.52 is: 3,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.24 : 4,178.10 = 2,400.52 : x
  2. Step 2: Convert to fraction form
    3,031.24/4,178.10 = 2,400.52/x
  3. Step 3: Cross multiply
    3,031.24x = 4,178.10 × 2,400.52
  4. Step 4: Simplify right side
    3,031.24x = 10,029,612.61
  5. Step 5: Solve for x
    x = 10,029,612.61/3,031.24
  6. Step 6: Final answer
    x = 3,308.75

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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.