Home / 3,136.52-4,348.22-2,970.07

Finding the Fourth Proportional to 3,136.52, 4,348.22 and 2,970.07

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Solution

The fourth proportional to 3,136.52, 4,348.22 and 2,970.07 is: 4,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.52 : 4,348.22 = 2,970.07 : x
  2. Step 2: Convert to fraction form
    3,136.52/4,348.22 = 2,970.07/x
  3. Step 3: Cross multiply
    3,136.52x = 4,348.22 × 2,970.07
  4. Step 4: Simplify right side
    3,136.52x = 12,914,517.78
  5. Step 5: Solve for x
    x = 12,914,517.78/3,136.52
  6. Step 6: Final answer
    x = 4,117.47

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.