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Finding the Fourth Proportional to 1,840.52, 2,540.22 and 1,344.80

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Solution

The fourth proportional to 1,840.52, 2,540.22 and 1,344.80 is: 1,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.52 : 2,540.22 = 1,344.80 : x
  2. Step 2: Convert to fraction form
    1,840.52/2,540.22 = 1,344.80/x
  3. Step 3: Cross multiply
    1,840.52x = 2,540.22 × 1,344.80
  4. Step 4: Simplify right side
    1,840.52x = 3,416,087.86
  5. Step 5: Solve for x
    x = 3,416,087.86/1,840.52
  6. Step 6: Final answer
    x = 1,856.04

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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.