Home / 1,475.74-2,214.42-1,243.54

Finding the Fourth Proportional to 1,475.74, 2,214.42 and 1,243.54

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Solution

The fourth proportional to 1,475.74, 2,214.42 and 1,243.54 is: 1,865.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.74 : 2,214.42 = 1,243.54 : x
  2. Step 2: Convert to fraction form
    1,475.74/2,214.42 = 1,243.54/x
  3. Step 3: Cross multiply
    1,475.74x = 2,214.42 × 1,243.54
  4. Step 4: Simplify right side
    1,475.74x = 2,753,719.85
  5. Step 5: Solve for x
    x = 2,753,719.85/1,475.74
  6. Step 6: Final answer
    x = 1,865.99

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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.