Home / 3,272.50-4,919.55-3,031.93

Finding the Fourth Proportional to 3,272.50, 4,919.55 and 3,031.93

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Solution

The fourth proportional to 3,272.50, 4,919.55 and 3,031.93 is: 4,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.50 : 4,919.55 = 3,031.93 : x
  2. Step 2: Convert to fraction form
    3,272.50/4,919.55 = 3,031.93/x
  3. Step 3: Cross multiply
    3,272.50x = 4,919.55 × 3,031.93
  4. Step 4: Simplify right side
    3,272.50x = 14,915,731.23
  5. Step 5: Solve for x
    x = 14,915,731.23/3,272.50
  6. Step 6: Final answer
    x = 4,557.90

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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.