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Finding the Fourth Proportional to 2,590.28, 3,884.74 and 834.92

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Solution

The fourth proportional to 2,590.28, 3,884.74 and 834.92 is: 1,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.28 : 3,884.74 = 834.92 : x
  2. Step 2: Convert to fraction form
    2,590.28/3,884.74 = 834.92/x
  3. Step 3: Cross multiply
    2,590.28x = 3,884.74 × 834.92
  4. Step 4: Simplify right side
    2,590.28x = 3,243,447.12
  5. Step 5: Solve for x
    x = 3,243,447.12/2,590.28
  6. Step 6: Final answer
    x = 1,252.16

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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.