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Finding the Fourth Proportional to 2,327.92, 3,490.98 and 940.90

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Solution

The fourth proportional to 2,327.92, 3,490.98 and 940.90 is: 1,410.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.92 : 3,490.98 = 940.90 : x
  2. Step 2: Convert to fraction form
    2,327.92/3,490.98 = 940.90/x
  3. Step 3: Cross multiply
    2,327.92x = 3,490.98 × 940.90
  4. Step 4: Simplify right side
    2,327.92x = 3,284,663.08
  5. Step 5: Solve for x
    x = 3,284,663.08/2,327.92
  6. Step 6: Final answer
    x = 1,410.99

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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.