Home / 2,715.52-4,075.60-1,073.24

Finding the Fourth Proportional to 2,715.52, 4,075.60 and 1,073.24

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Solution

The fourth proportional to 2,715.52, 4,075.60 and 1,073.24 is: 1,610.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.52 : 4,075.60 = 1,073.24 : x
  2. Step 2: Convert to fraction form
    2,715.52/4,075.60 = 1,073.24/x
  3. Step 3: Cross multiply
    2,715.52x = 4,075.60 × 1,073.24
  4. Step 4: Simplify right side
    2,715.52x = 4,374,096.94
  5. Step 5: Solve for x
    x = 4,374,096.94/2,715.52
  6. Step 6: Final answer
    x = 1,610.78

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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.