Home / 3,656.00-5,045.31-2,084.20

Finding the Fourth Proportional to 3,656.00, 5,045.31 and 2,084.20

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Solution

The fourth proportional to 3,656.00, 5,045.31 and 2,084.20 is: 2,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.00 : 5,045.31 = 2,084.20 : x
  2. Step 2: Convert to fraction form
    3,656.00/5,045.31 = 2,084.20/x
  3. Step 3: Cross multiply
    3,656.00x = 5,045.31 × 2,084.20
  4. Step 4: Simplify right side
    3,656.00x = 10,515,430.30
  5. Step 5: Solve for x
    x = 10,515,430.30/3,656.00
  6. Step 6: Final answer
    x = 2,876.21

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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.