Home / 3,310.04-4,965.08-1,118.78

Finding the Fourth Proportional to 3,310.04, 4,965.08 and 1,118.78

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Solution

The fourth proportional to 3,310.04, 4,965.08 and 1,118.78 is: 1,678.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.04 : 4,965.08 = 1,118.78 : x
  2. Step 2: Convert to fraction form
    3,310.04/4,965.08 = 1,118.78/x
  3. Step 3: Cross multiply
    3,310.04x = 4,965.08 × 1,118.78
  4. Step 4: Simplify right side
    3,310.04x = 5,554,826.61
  5. Step 5: Solve for x
    x = 5,554,826.61/3,310.04
  6. Step 6: Final answer
    x = 1,678.18

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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.