Home / 3,031.92-4,545.84-2,447.64

Finding the Fourth Proportional to 3,031.92, 4,545.84 and 2,447.64

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Solution

The fourth proportional to 3,031.92, 4,545.84 and 2,447.64 is: 3,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.92 : 4,545.84 = 2,447.64 : x
  2. Step 2: Convert to fraction form
    3,031.92/4,545.84 = 2,447.64/x
  3. Step 3: Cross multiply
    3,031.92x = 4,545.84 × 2,447.64
  4. Step 4: Simplify right side
    3,031.92x = 11,126,579.82
  5. Step 5: Solve for x
    x = 11,126,579.82/3,031.92
  6. Step 6: Final answer
    x = 3,669.81

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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.