Home / 3,250.64-4,864.62-2,658.80

Finding the Fourth Proportional to 3,250.64, 4,864.62 and 2,658.80

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Solution

The fourth proportional to 3,250.64, 4,864.62 and 2,658.80 is: 3,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.64 : 4,864.62 = 2,658.80 : x
  2. Step 2: Convert to fraction form
    3,250.64/4,864.62 = 2,658.80/x
  3. Step 3: Cross multiply
    3,250.64x = 4,864.62 × 2,658.80
  4. Step 4: Simplify right side
    3,250.64x = 12,934,051.66
  5. Step 5: Solve for x
    x = 12,934,051.66/3,250.64
  6. Step 6: Final answer
    x = 3,978.92

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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.