Home / 3,122.17-4,678.90-2,425.66

Finding the Fourth Proportional to 3,122.17, 4,678.90 and 2,425.66

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Solution

The fourth proportional to 3,122.17, 4,678.90 and 2,425.66 is: 3,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.17 : 4,678.90 = 2,425.66 : x
  2. Step 2: Convert to fraction form
    3,122.17/4,678.90 = 2,425.66/x
  3. Step 3: Cross multiply
    3,122.17x = 4,678.90 × 2,425.66
  4. Step 4: Simplify right side
    3,122.17x = 11,349,420.57
  5. Step 5: Solve for x
    x = 11,349,420.57/3,122.17
  6. Step 6: Final answer
    x = 3,635.11

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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.