Home / 2,270.52-3,136.23-2,049.39

Finding the Fourth Proportional to 2,270.52, 3,136.23 and 2,049.39

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Solution

The fourth proportional to 2,270.52, 3,136.23 and 2,049.39 is: 2,830.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.52 : 3,136.23 = 2,049.39 : x
  2. Step 2: Convert to fraction form
    2,270.52/3,136.23 = 2,049.39/x
  3. Step 3: Cross multiply
    2,270.52x = 3,136.23 × 2,049.39
  4. Step 4: Simplify right side
    2,270.52x = 6,427,358.40
  5. Step 5: Solve for x
    x = 6,427,358.40/2,270.52
  6. Step 6: Final answer
    x = 2,830.79

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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.