Home / 1,275.23-1,761.48-1,027.46

Finding the Fourth Proportional to 1,275.23, 1,761.48 and 1,027.46

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Solution

The fourth proportional to 1,275.23, 1,761.48 and 1,027.46 is: 1,419.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275.23 : 1,761.48 = 1,027.46 : x
  2. Step 2: Convert to fraction form
    1,275.23/1,761.48 = 1,027.46/x
  3. Step 3: Cross multiply
    1,275.23x = 1,761.48 × 1,027.46
  4. Step 4: Simplify right side
    1,275.23x = 1,809,850.24
  5. Step 5: Solve for x
    x = 1,809,850.24/1,275.23
  6. Step 6: Final answer
    x = 1,419.23

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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.