Home / 3,729.10-5,146.04-2,113.86

Finding the Fourth Proportional to 3,729.10, 5,146.04 and 2,113.86

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Solution

The fourth proportional to 3,729.10, 5,146.04 and 2,113.86 is: 2,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.10 : 5,146.04 = 2,113.86 : x
  2. Step 2: Convert to fraction form
    3,729.10/5,146.04 = 2,113.86/x
  3. Step 3: Cross multiply
    3,729.10x = 5,146.04 × 2,113.86
  4. Step 4: Simplify right side
    3,729.10x = 10,878,008.11
  5. Step 5: Solve for x
    x = 10,878,008.11/3,729.10
  6. Step 6: Final answer
    x = 2,917.06

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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.