Home / 2,715.37-4,073.28-767.59

Finding the Fourth Proportional to 2,715.37, 4,073.28 and 767.59

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Solution

The fourth proportional to 2,715.37, 4,073.28 and 767.59 is: 1,151.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.37 : 4,073.28 = 767.59 : x
  2. Step 2: Convert to fraction form
    2,715.37/4,073.28 = 767.59/x
  3. Step 3: Cross multiply
    2,715.37x = 4,073.28 × 767.59
  4. Step 4: Simplify right side
    2,715.37x = 3,126,609.00
  5. Step 5: Solve for x
    x = 3,126,609.00/2,715.37
  6. Step 6: Final answer
    x = 1,151.45

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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.