Home / 2,748.13-3,789.86-1,803.53

Finding the Fourth Proportional to 2,748.13, 3,789.86 and 1,803.53

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Solution

The fourth proportional to 2,748.13, 3,789.86 and 1,803.53 is: 2,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.13 : 3,789.86 = 1,803.53 : x
  2. Step 2: Convert to fraction form
    2,748.13/3,789.86 = 1,803.53/x
  3. Step 3: Cross multiply
    2,748.13x = 3,789.86 × 1,803.53
  4. Step 4: Simplify right side
    2,748.13x = 6,835,126.66
  5. Step 5: Solve for x
    x = 6,835,126.66/2,748.13
  6. Step 6: Final answer
    x = 2,487.19

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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.