Home / 2,724.40-3,758.60-1,779.88

Finding the Fourth Proportional to 2,724.40, 3,758.60 and 1,779.88

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Solution

The fourth proportional to 2,724.40, 3,758.60 and 1,779.88 is: 2,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.40 : 3,758.60 = 1,779.88 : x
  2. Step 2: Convert to fraction form
    2,724.40/3,758.60 = 1,779.88/x
  3. Step 3: Cross multiply
    2,724.40x = 3,758.60 × 1,779.88
  4. Step 4: Simplify right side
    2,724.40x = 6,689,856.97
  5. Step 5: Solve for x
    x = 6,689,856.97/2,724.40
  6. Step 6: Final answer
    x = 2,455.53

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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.