Home / 3,482.97-5,222.07-1,290.53

Finding the Fourth Proportional to 3,482.97, 5,222.07 and 1,290.53

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Solution

The fourth proportional to 3,482.97, 5,222.07 and 1,290.53 is: 1,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.97 : 5,222.07 = 1,290.53 : x
  2. Step 2: Convert to fraction form
    3,482.97/5,222.07 = 1,290.53/x
  3. Step 3: Cross multiply
    3,482.97x = 5,222.07 × 1,290.53
  4. Step 4: Simplify right side
    3,482.97x = 6,739,211.89
  5. Step 5: Solve for x
    x = 6,739,211.89/3,482.97
  6. Step 6: Final answer
    x = 1,934.90

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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.