Home / 3,279.95-4,920.77-1,088.70

Finding the Fourth Proportional to 3,279.95, 4,920.77 and 1,088.70

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Solution

The fourth proportional to 3,279.95, 4,920.77 and 1,088.70 is: 1,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.95 : 4,920.77 = 1,088.70 : x
  2. Step 2: Convert to fraction form
    3,279.95/4,920.77 = 1,088.70/x
  3. Step 3: Cross multiply
    3,279.95x = 4,920.77 × 1,088.70
  4. Step 4: Simplify right side
    3,279.95x = 5,357,242.30
  5. Step 5: Solve for x
    x = 5,357,242.30/3,279.95
  6. Step 6: Final answer
    x = 1,633.33

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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.