Home / 3,272.00-4,515.28-1,779.91

Finding the Fourth Proportional to 3,272.00, 4,515.28 and 1,779.91

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Solution

The fourth proportional to 3,272.00, 4,515.28 and 1,779.91 is: 2,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.00 : 4,515.28 = 1,779.91 : x
  2. Step 2: Convert to fraction form
    3,272.00/4,515.28 = 1,779.91/x
  3. Step 3: Cross multiply
    3,272.00x = 4,515.28 × 1,779.91
  4. Step 4: Simplify right side
    3,272.00x = 8,036,776.29
  5. Step 5: Solve for x
    x = 8,036,776.29/3,272.00
  6. Step 6: Final answer
    x = 2,456.23

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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.