Home / 3,306.08-4,959.80-1,085.08

Finding the Fourth Proportional to 3,306.08, 4,959.80 and 1,085.08

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Solution

The fourth proportional to 3,306.08, 4,959.80 and 1,085.08 is: 1,627.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.08 : 4,959.80 = 1,085.08 : x
  2. Step 2: Convert to fraction form
    3,306.08/4,959.80 = 1,085.08/x
  3. Step 3: Cross multiply
    3,306.08x = 4,959.80 × 1,085.08
  4. Step 4: Simplify right side
    3,306.08x = 5,381,779.78
  5. Step 5: Solve for x
    x = 5,381,779.78/3,306.08
  6. Step 6: Final answer
    x = 1,627.84

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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.