Home / 3,385.41-5,070.02-2,148.95

Finding the Fourth Proportional to 3,385.41, 5,070.02 and 2,148.95

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Solution

The fourth proportional to 3,385.41, 5,070.02 and 2,148.95 is: 3,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.41 : 5,070.02 = 2,148.95 : x
  2. Step 2: Convert to fraction form
    3,385.41/5,070.02 = 2,148.95/x
  3. Step 3: Cross multiply
    3,385.41x = 5,070.02 × 2,148.95
  4. Step 4: Simplify right side
    3,385.41x = 10,895,183.38
  5. Step 5: Solve for x
    x = 10,895,183.38/3,385.41
  6. Step 6: Final answer
    x = 3,218.28

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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.