Home / 1,761.03-2,430.56-1,132.36

Finding the Fourth Proportional to 1,761.03, 2,430.56 and 1,132.36

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Solution

The fourth proportional to 1,761.03, 2,430.56 and 1,132.36 is: 1,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761.03 : 2,430.56 = 1,132.36 : x
  2. Step 2: Convert to fraction form
    1,761.03/2,430.56 = 1,132.36/x
  3. Step 3: Cross multiply
    1,761.03x = 2,430.56 × 1,132.36
  4. Step 4: Simplify right side
    1,761.03x = 2,752,268.92
  5. Step 5: Solve for x
    x = 2,752,268.92/1,761.03
  6. Step 6: Final answer
    x = 1,562.87

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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.