Home / 3,320.50-4,580.57-2,691.74

Finding the Fourth Proportional to 3,320.50, 4,580.57 and 2,691.74

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Solution

The fourth proportional to 3,320.50, 4,580.57 and 2,691.74 is: 3,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.50 : 4,580.57 = 2,691.74 : x
  2. Step 2: Convert to fraction form
    3,320.50/4,580.57 = 2,691.74/x
  3. Step 3: Cross multiply
    3,320.50x = 4,580.57 × 2,691.74
  4. Step 4: Simplify right side
    3,320.50x = 12,329,667.13
  5. Step 5: Solve for x
    x = 12,329,667.13/3,320.50
  6. Step 6: Final answer
    x = 3,713.20

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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.