Home / 2,982.23-4,115.16-1,655.90

Finding the Fourth Proportional to 2,982.23, 4,115.16 and 1,655.90

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Solution

The fourth proportional to 2,982.23, 4,115.16 and 1,655.90 is: 2,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.23 : 4,115.16 = 1,655.90 : x
  2. Step 2: Convert to fraction form
    2,982.23/4,115.16 = 1,655.90/x
  3. Step 3: Cross multiply
    2,982.23x = 4,115.16 × 1,655.90
  4. Step 4: Simplify right side
    2,982.23x = 6,814,272.87
  5. Step 5: Solve for x
    x = 6,814,272.87/2,982.23
  6. Step 6: Final answer
    x = 2,284.96

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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.