Home / 2,715.49-4,069.55-1,153.53

Finding the Fourth Proportional to 2,715.49, 4,069.55 and 1,153.53

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Solution

The fourth proportional to 2,715.49, 4,069.55 and 1,153.53 is: 1,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.49 : 4,069.55 = 1,153.53 : x
  2. Step 2: Convert to fraction form
    2,715.49/4,069.55 = 1,153.53/x
  3. Step 3: Cross multiply
    2,715.49x = 4,069.55 × 1,153.53
  4. Step 4: Simplify right side
    2,715.49x = 4,694,342.24
  5. Step 5: Solve for x
    x = 4,694,342.24/2,715.49
  6. Step 6: Final answer
    x = 1,728.73

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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.