Home / 3,575.68-4,931.96-2,515.66

Finding the Fourth Proportional to 3,575.68, 4,931.96 and 2,515.66

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Solution

The fourth proportional to 3,575.68, 4,931.96 and 2,515.66 is: 3,469.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.68 : 4,931.96 = 2,515.66 : x
  2. Step 2: Convert to fraction form
    3,575.68/4,931.96 = 2,515.66/x
  3. Step 3: Cross multiply
    3,575.68x = 4,931.96 × 2,515.66
  4. Step 4: Simplify right side
    3,575.68x = 12,407,109.59
  5. Step 5: Solve for x
    x = 12,407,109.59/3,575.68
  6. Step 6: Final answer
    x = 3,469.86

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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.