Home / 3,656.12-5,045.87-2,084.45

Finding the Fourth Proportional to 3,656.12, 5,045.87 and 2,084.45

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Solution

The fourth proportional to 3,656.12, 5,045.87 and 2,084.45 is: 2,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.12 : 5,045.87 = 2,084.45 : x
  2. Step 2: Convert to fraction form
    3,656.12/5,045.87 = 2,084.45/x
  3. Step 3: Cross multiply
    3,656.12x = 5,045.87 × 2,084.45
  4. Step 4: Simplify right side
    3,656.12x = 10,517,863.72
  5. Step 5: Solve for x
    x = 10,517,863.72/3,656.12
  6. Step 6: Final answer
    x = 2,876.78

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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.