Home / 3,655.92-5,045.40-2,084.64

Finding the Fourth Proportional to 3,655.92, 5,045.40 and 2,084.64

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Solution

The fourth proportional to 3,655.92, 5,045.40 and 2,084.64 is: 2,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.92 : 5,045.40 = 2,084.64 : x
  2. Step 2: Convert to fraction form
    3,655.92/5,045.40 = 2,084.64/x
  3. Step 3: Cross multiply
    3,655.92x = 5,045.40 × 2,084.64
  4. Step 4: Simplify right side
    3,655.92x = 10,517,842.66
  5. Step 5: Solve for x
    x = 10,517,842.66/3,655.92
  6. Step 6: Final answer
    x = 2,876.93

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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.