Home / 1,987.73-2,982.20-601.11

Finding the Fourth Proportional to 1,987.73, 2,982.20 and 601.11

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Solution

The fourth proportional to 1,987.73, 2,982.20 and 601.11 is: 901.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987.73 : 2,982.20 = 601.11 : x
  2. Step 2: Convert to fraction form
    1,987.73/2,982.20 = 601.11/x
  3. Step 3: Cross multiply
    1,987.73x = 2,982.20 × 601.11
  4. Step 4: Simplify right side
    1,987.73x = 1,792,627.24
  5. Step 5: Solve for x
    x = 1,792,627.24/1,987.73
  6. Step 6: Final answer
    x = 901.85

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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.