Home / 2,982.48-4,469.40-1,681.18

Finding the Fourth Proportional to 2,982.48, 4,469.40 and 1,681.18

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Solution

The fourth proportional to 2,982.48, 4,469.40 and 1,681.18 is: 2,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.48 : 4,469.40 = 1,681.18 : x
  2. Step 2: Convert to fraction form
    2,982.48/4,469.40 = 1,681.18/x
  3. Step 3: Cross multiply
    2,982.48x = 4,469.40 × 1,681.18
  4. Step 4: Simplify right side
    2,982.48x = 7,513,865.89
  5. Step 5: Solve for x
    x = 7,513,865.89/2,982.48
  6. Step 6: Final answer
    x = 2,519.33

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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.