Home / 1,474.55-2,034.78-845.08

Finding the Fourth Proportional to 1,474.55, 2,034.78 and 845.08

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Solution

The fourth proportional to 1,474.55, 2,034.78 and 845.08 is: 1,166.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.55 : 2,034.78 = 845.08 : x
  2. Step 2: Convert to fraction form
    1,474.55/2,034.78 = 845.08/x
  3. Step 3: Cross multiply
    1,474.55x = 2,034.78 × 845.08
  4. Step 4: Simplify right side
    1,474.55x = 1,719,551.88
  5. Step 5: Solve for x
    x = 1,719,551.88/1,474.55
  6. Step 6: Final answer
    x = 1,166.15

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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.