Home / 2,715.75-3,747.78-1,473.75

Finding the Fourth Proportional to 2,715.75, 3,747.78 and 1,473.75

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Solution

The fourth proportional to 2,715.75, 3,747.78 and 1,473.75 is: 2,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.75 : 3,747.78 = 1,473.75 : x
  2. Step 2: Convert to fraction form
    2,715.75/3,747.78 = 1,473.75/x
  3. Step 3: Cross multiply
    2,715.75x = 3,747.78 × 1,473.75
  4. Step 4: Simplify right side
    2,715.75x = 5,523,290.78
  5. Step 5: Solve for x
    x = 5,523,290.78/2,715.75
  6. Step 6: Final answer
    x = 2,033.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.