Home / 2,577.10-3,856.40-2,231.61

Finding the Fourth Proportional to 2,577.10, 3,856.40 and 2,231.61

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Solution

The fourth proportional to 2,577.10, 3,856.40 and 2,231.61 is: 3,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.10 : 3,856.40 = 2,231.61 : x
  2. Step 2: Convert to fraction form
    2,577.10/3,856.40 = 2,231.61/x
  3. Step 3: Cross multiply
    2,577.10x = 3,856.40 × 2,231.61
  4. Step 4: Simplify right side
    2,577.10x = 8,605,980.80
  5. Step 5: Solve for x
    x = 8,605,980.80/2,577.10
  6. Step 6: Final answer
    x = 3,339.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.