Home / 2,715.24-3,744.72-1,829.88

Finding the Fourth Proportional to 2,715.24, 3,744.72 and 1,829.88

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Solution

The fourth proportional to 2,715.24, 3,744.72 and 1,829.88 is: 2,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.24 : 3,744.72 = 1,829.88 : x
  2. Step 2: Convert to fraction form
    2,715.24/3,744.72 = 1,829.88/x
  3. Step 3: Cross multiply
    2,715.24x = 3,744.72 × 1,829.88
  4. Step 4: Simplify right side
    2,715.24x = 6,852,388.23
  5. Step 5: Solve for x
    x = 6,852,388.23/2,715.24
  6. Step 6: Final answer
    x = 2,523.68

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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.