Home / 2,922.81-4,387.65-2,306.94

Finding the Fourth Proportional to 2,922.81, 4,387.65 and 2,306.94

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Solution

The fourth proportional to 2,922.81, 4,387.65 and 2,306.94 is: 3,463.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.81 : 4,387.65 = 2,306.94 : x
  2. Step 2: Convert to fraction form
    2,922.81/4,387.65 = 2,306.94/x
  3. Step 3: Cross multiply
    2,922.81x = 4,387.65 × 2,306.94
  4. Step 4: Simplify right side
    2,922.81x = 10,122,045.29
  5. Step 5: Solve for x
    x = 10,122,045.29/2,922.81
  6. Step 6: Final answer
    x = 3,463.12

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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.