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Finding the Fourth Proportional to 2,240.91, 3,358.53 and 940.86

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Solution

The fourth proportional to 2,240.91, 3,358.53 and 940.86 is: 1,410.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.91 : 3,358.53 = 940.86 : x
  2. Step 2: Convert to fraction form
    2,240.91/3,358.53 = 940.86/x
  3. Step 3: Cross multiply
    2,240.91x = 3,358.53 × 940.86
  4. Step 4: Simplify right side
    2,240.91x = 3,159,906.54
  5. Step 5: Solve for x
    x = 3,159,906.54/2,240.91
  6. Step 6: Final answer
    x = 1,410.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.