Home / 3,657.26-5,475.33-2,151.74

Finding the Fourth Proportional to 3,657.26, 5,475.33 and 2,151.74

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Solution

The fourth proportional to 3,657.26, 5,475.33 and 2,151.74 is: 3,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.26 : 5,475.33 = 2,151.74 : x
  2. Step 2: Convert to fraction form
    3,657.26/5,475.33 = 2,151.74/x
  3. Step 3: Cross multiply
    3,657.26x = 5,475.33 × 2,151.74
  4. Step 4: Simplify right side
    3,657.26x = 11,781,486.57
  5. Step 5: Solve for x
    x = 11,781,486.57/3,657.26
  6. Step 6: Final answer
    x = 3,221.40

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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.