Home / 3,166.61-4,371.02-2,175.17

Finding the Fourth Proportional to 3,166.61, 4,371.02 and 2,175.17

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Solution

The fourth proportional to 3,166.61, 4,371.02 and 2,175.17 is: 3,002.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.61 : 4,371.02 = 2,175.17 : x
  2. Step 2: Convert to fraction form
    3,166.61/4,371.02 = 2,175.17/x
  3. Step 3: Cross multiply
    3,166.61x = 4,371.02 × 2,175.17
  4. Step 4: Simplify right side
    3,166.61x = 9,507,719.78
  5. Step 5: Solve for x
    x = 9,507,719.78/3,166.61
  6. Step 6: Final answer
    x = 3,002.49

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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.