Home / 1,263.70-1,744.23-1,132.48

Finding the Fourth Proportional to 1,263.70, 1,744.23 and 1,132.48

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Solution

The fourth proportional to 1,263.70, 1,744.23 and 1,132.48 is: 1,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.70 : 1,744.23 = 1,132.48 : x
  2. Step 2: Convert to fraction form
    1,263.70/1,744.23 = 1,132.48/x
  3. Step 3: Cross multiply
    1,263.70x = 1,744.23 × 1,132.48
  4. Step 4: Simplify right side
    1,263.70x = 1,975,305.59
  5. Step 5: Solve for x
    x = 1,975,305.59/1,263.70
  6. Step 6: Final answer
    x = 1,563.11

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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.