Home / 2,456.76-3,390.33-1,337.70

Finding the Fourth Proportional to 2,456.76, 3,390.33 and 1,337.70

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Solution

The fourth proportional to 2,456.76, 3,390.33 and 1,337.70 is: 1,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.76 : 3,390.33 = 1,337.70 : x
  2. Step 2: Convert to fraction form
    2,456.76/3,390.33 = 1,337.70/x
  3. Step 3: Cross multiply
    2,456.76x = 3,390.33 × 1,337.70
  4. Step 4: Simplify right side
    2,456.76x = 4,535,229.80
  5. Step 5: Solve for x
    x = 4,535,229.80/2,456.76
  6. Step 6: Final answer
    x = 1,846.02

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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.