Home / 3,132.41-4,320.95-1,954.16

Finding the Fourth Proportional to 3,132.41, 4,320.95 and 1,954.16

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Solution

The fourth proportional to 3,132.41, 4,320.95 and 1,954.16 is: 2,695.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.41 : 4,320.95 = 1,954.16 : x
  2. Step 2: Convert to fraction form
    3,132.41/4,320.95 = 1,954.16/x
  3. Step 3: Cross multiply
    3,132.41x = 4,320.95 × 1,954.16
  4. Step 4: Simplify right side
    3,132.41x = 8,443,796.28
  5. Step 5: Solve for x
    x = 8,443,796.28/3,132.41
  6. Step 6: Final answer
    x = 2,695.63

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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.