Home / 3,122.62-4,312.44-2,700.95

Finding the Fourth Proportional to 3,122.62, 4,312.44 and 2,700.95

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Solution

The fourth proportional to 3,122.62, 4,312.44 and 2,700.95 is: 3,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.62 : 4,312.44 = 2,700.95 : x
  2. Step 2: Convert to fraction form
    3,122.62/4,312.44 = 2,700.95/x
  3. Step 3: Cross multiply
    3,122.62x = 4,312.44 × 2,700.95
  4. Step 4: Simplify right side
    3,122.62x = 11,647,663.26
  5. Step 5: Solve for x
    x = 11,647,663.26/3,122.62
  6. Step 6: Final answer
    x = 3,730.10

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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.