Home / 3,390.92-5,079.76-2,336.55

Finding the Fourth Proportional to 3,390.92, 5,079.76 and 2,336.55

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Solution

The fourth proportional to 3,390.92, 5,079.76 and 2,336.55 is: 3,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.92 : 5,079.76 = 2,336.55 : x
  2. Step 2: Convert to fraction form
    3,390.92/5,079.76 = 2,336.55/x
  3. Step 3: Cross multiply
    3,390.92x = 5,079.76 × 2,336.55
  4. Step 4: Simplify right side
    3,390.92x = 11,869,117.55
  5. Step 5: Solve for x
    x = 11,869,117.55/3,390.92
  6. Step 6: Final answer
    x = 3,500.26

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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.