Home / 1,660.03-2,290.82-913.97

Finding the Fourth Proportional to 1,660.03, 2,290.82 and 913.97

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Solution

The fourth proportional to 1,660.03, 2,290.82 and 913.97 is: 1,261.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.03 : 2,290.82 = 913.97 : x
  2. Step 2: Convert to fraction form
    1,660.03/2,290.82 = 913.97/x
  3. Step 3: Cross multiply
    1,660.03x = 2,290.82 × 913.97
  4. Step 4: Simplify right side
    1,660.03x = 2,093,740.76
  5. Step 5: Solve for x
    x = 2,093,740.76/1,660.03
  6. Step 6: Final answer
    x = 1,261.27

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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.