Home / 3,329.61-4,997.49-1,687.30

Finding the Fourth Proportional to 3,329.61, 4,997.49 and 1,687.30

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Solution

The fourth proportional to 3,329.61, 4,997.49 and 1,687.30 is: 2,532.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.61 : 4,997.49 = 1,687.30 : x
  2. Step 2: Convert to fraction form
    3,329.61/4,997.49 = 1,687.30/x
  3. Step 3: Cross multiply
    3,329.61x = 4,997.49 × 1,687.30
  4. Step 4: Simplify right side
    3,329.61x = 8,432,264.88
  5. Step 5: Solve for x
    x = 8,432,264.88/3,329.61
  6. Step 6: Final answer
    x = 2,532.51

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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.