Home / 3,271.92-4,515.24-1,779.82

Finding the Fourth Proportional to 3,271.92, 4,515.24 and 1,779.82

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Solution

The fourth proportional to 3,271.92, 4,515.24 and 1,779.82 is: 2,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.92 : 4,515.24 = 1,779.82 : x
  2. Step 2: Convert to fraction form
    3,271.92/4,515.24 = 1,779.82/x
  3. Step 3: Cross multiply
    3,271.92x = 4,515.24 × 1,779.82
  4. Step 4: Simplify right side
    3,271.92x = 8,036,314.46
  5. Step 5: Solve for x
    x = 8,036,314.46/3,271.92
  6. Step 6: Final answer
    x = 2,456.15

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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.