Home / 3,060.88-4,217.76-2,895.47

Finding the Fourth Proportional to 3,060.88, 4,217.76 and 2,895.47

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Solution

The fourth proportional to 3,060.88, 4,217.76 and 2,895.47 is: 3,989.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.88 : 4,217.76 = 2,895.47 : x
  2. Step 2: Convert to fraction form
    3,060.88/4,217.76 = 2,895.47/x
  3. Step 3: Cross multiply
    3,060.88x = 4,217.76 × 2,895.47
  4. Step 4: Simplify right side
    3,060.88x = 12,212,397.55
  5. Step 5: Solve for x
    x = 12,212,397.55/3,060.88
  6. Step 6: Final answer
    x = 3,989.83

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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.