Home / 4,188.31-5,779.87-2,616.39

Finding the Fourth Proportional to 4,188.31, 5,779.87 and 2,616.39

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Solution

The fourth proportional to 4,188.31, 5,779.87 and 2,616.39 is: 3,610.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.31 : 5,779.87 = 2,616.39 : x
  2. Step 2: Convert to fraction form
    4,188.31/5,779.87 = 2,616.39/x
  3. Step 3: Cross multiply
    4,188.31x = 5,779.87 × 2,616.39
  4. Step 4: Simplify right side
    4,188.31x = 15,122,387.53
  5. Step 5: Solve for x
    x = 15,122,387.53/4,188.31
  6. Step 6: Final answer
    x = 3,610.62

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1.5x scale

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.