Home / 3,289.55-4,538.77-1,872.91

Finding the Fourth Proportional to 3,289.55, 4,538.77 and 1,872.91

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Solution

The fourth proportional to 3,289.55, 4,538.77 and 1,872.91 is: 2,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.55 : 4,538.77 = 1,872.91 : x
  2. Step 2: Convert to fraction form
    3,289.55/4,538.77 = 1,872.91/x
  3. Step 3: Cross multiply
    3,289.55x = 4,538.77 × 1,872.91
  4. Step 4: Simplify right side
    3,289.55x = 8,500,691.69
  5. Step 5: Solve for x
    x = 8,500,691.69/3,289.55
  6. Step 6: Final answer
    x = 2,584.15

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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.