Home / 2,982.90-4,116.33-1,656.57

Finding the Fourth Proportional to 2,982.90, 4,116.33 and 1,656.57

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Solution

The fourth proportional to 2,982.90, 4,116.33 and 1,656.57 is: 2,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.90 : 4,116.33 = 1,656.57 : x
  2. Step 2: Convert to fraction form
    2,982.90/4,116.33 = 1,656.57/x
  3. Step 3: Cross multiply
    2,982.90x = 4,116.33 × 1,656.57
  4. Step 4: Simplify right side
    2,982.90x = 6,818,988.79
  5. Step 5: Solve for x
    x = 6,818,988.79/2,982.90
  6. Step 6: Final answer
    x = 2,286.03

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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.