Home / 3,159.11-4,360.35-2,152.48

Finding the Fourth Proportional to 3,159.11, 4,360.35 and 2,152.48

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Solution

The fourth proportional to 3,159.11, 4,360.35 and 2,152.48 is: 2,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.11 : 4,360.35 = 2,152.48 : x
  2. Step 2: Convert to fraction form
    3,159.11/4,360.35 = 2,152.48/x
  3. Step 3: Cross multiply
    3,159.11x = 4,360.35 × 2,152.48
  4. Step 4: Simplify right side
    3,159.11x = 9,385,566.17
  5. Step 5: Solve for x
    x = 9,385,566.17/3,159.11
  6. Step 6: Final answer
    x = 2,970.95

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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.