Home / 2,294.65-3,433.76-1,987.55

Finding the Fourth Proportional to 2,294.65, 3,433.76 and 1,987.55

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Solution

The fourth proportional to 2,294.65, 3,433.76 and 1,987.55 is: 2,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,294.65 : 3,433.76 = 1,987.55 : x
  2. Step 2: Convert to fraction form
    2,294.65/3,433.76 = 1,987.55/x
  3. Step 3: Cross multiply
    2,294.65x = 3,433.76 × 1,987.55
  4. Step 4: Simplify right side
    2,294.65x = 6,824,793.41
  5. Step 5: Solve for x
    x = 6,824,793.41/2,294.65
  6. Step 6: Final answer
    x = 2,974.23

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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.