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Finding the Fourth Proportional to 2,641.44, 3,640.50 and 2,346.24

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Solution

The fourth proportional to 2,641.44, 3,640.50 and 2,346.24 is: 3,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.44 : 3,640.50 = 2,346.24 : x
  2. Step 2: Convert to fraction form
    2,641.44/3,640.50 = 2,346.24/x
  3. Step 3: Cross multiply
    2,641.44x = 3,640.50 × 2,346.24
  4. Step 4: Simplify right side
    2,641.44x = 8,541,486.72
  5. Step 5: Solve for x
    x = 8,541,486.72/2,641.44
  6. Step 6: Final answer
    x = 3,233.65

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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.