Home / 2,982.16-4,115.58-1,723.44

Finding the Fourth Proportional to 2,982.16, 4,115.58 and 1,723.44

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Solution

The fourth proportional to 2,982.16, 4,115.58 and 1,723.44 is: 2,378.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.16 : 4,115.58 = 1,723.44 : x
  2. Step 2: Convert to fraction form
    2,982.16/4,115.58 = 1,723.44/x
  3. Step 3: Cross multiply
    2,982.16x = 4,115.58 × 1,723.44
  4. Step 4: Simplify right side
    2,982.16x = 7,092,955.20
  5. Step 5: Solve for x
    x = 7,092,955.20/2,982.16
  6. Step 6: Final answer
    x = 2,378.46

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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.