Home / 2,489.24-3,725.66-2,215.87

Finding the Fourth Proportional to 2,489.24, 3,725.66 and 2,215.87

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Solution

The fourth proportional to 2,489.24, 3,725.66 and 2,215.87 is: 3,316.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.24 : 3,725.66 = 2,215.87 : x
  2. Step 2: Convert to fraction form
    2,489.24/3,725.66 = 2,215.87/x
  3. Step 3: Cross multiply
    2,489.24x = 3,725.66 × 2,215.87
  4. Step 4: Simplify right side
    2,489.24x = 8,255,585.59
  5. Step 5: Solve for x
    x = 8,255,585.59/2,489.24
  6. Step 6: Final answer
    x = 3,316.50

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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.