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Finding the Fourth Proportional to 2,444, 3,379.12 and 2,335.20

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Solution

The fourth proportional to 2,444, 3,379.12 and 2,335.20 is: 3,228.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,444 : 3,379.12 = 2,335.20 : x
  2. Step 2: Convert to fraction form
    2,444/3,379.12 = 2,335.20/x
  3. Step 3: Cross multiply
    2,444x = 3,379.12 × 2,335.20
  4. Step 4: Simplify right side
    2,444x = 7,890,921.02
  5. Step 5: Solve for x
    x = 7,890,921.02/2,444
  6. Step 6: Final answer
    x = 3,228.69

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1.5x scale

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.