Home / 2,982.67-4,116.18-1,656.49

Finding the Fourth Proportional to 2,982.67, 4,116.18 and 1,656.49

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Solution

The fourth proportional to 2,982.67, 4,116.18 and 1,656.49 is: 2,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.67 : 4,116.18 = 1,656.49 : x
  2. Step 2: Convert to fraction form
    2,982.67/4,116.18 = 1,656.49/x
  3. Step 3: Cross multiply
    2,982.67x = 4,116.18 × 1,656.49
  4. Step 4: Simplify right side
    2,982.67x = 6,818,411.01
  5. Step 5: Solve for x
    x = 6,818,411.01/2,982.67
  6. Step 6: Final answer
    x = 2,286.01

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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.