Home / 1,988.17-2,982.24-601.54

Finding the Fourth Proportional to 1,988.17, 2,982.24 and 601.54

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Solution

The fourth proportional to 1,988.17, 2,982.24 and 601.54 is: 902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988.17 : 2,982.24 = 601.54 : x
  2. Step 2: Convert to fraction form
    1,988.17/2,982.24 = 601.54/x
  3. Step 3: Cross multiply
    1,988.17x = 2,982.24 × 601.54
  4. Step 4: Simplify right side
    1,988.17x = 1,793,936.65
  5. Step 5: Solve for x
    x = 1,793,936.65/1,988.17
  6. Step 6: Final answer
    x = 902.31

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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.