Home / 3,654.80-5,482.65-1,314.44

Finding the Fourth Proportional to 3,654.80, 5,482.65 and 1,314.44

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Solution

The fourth proportional to 3,654.80, 5,482.65 and 1,314.44 is: 1,971.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.80 : 5,482.65 = 1,314.44 : x
  2. Step 2: Convert to fraction form
    3,654.80/5,482.65 = 1,314.44/x
  3. Step 3: Cross multiply
    3,654.80x = 5,482.65 × 1,314.44
  4. Step 4: Simplify right side
    3,654.80x = 7,206,614.47
  5. Step 5: Solve for x
    x = 7,206,614.47/3,654.80
  6. Step 6: Final answer
    x = 1,971.82

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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.