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Finding the Fourth Proportional to 2,884.13, 4,326.91 and 832.13

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Solution

The fourth proportional to 2,884.13, 4,326.91 and 832.13 is: 1,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.13 : 4,326.91 = 832.13 : x
  2. Step 2: Convert to fraction form
    2,884.13/4,326.91 = 832.13/x
  3. Step 3: Cross multiply
    2,884.13x = 4,326.91 × 832.13
  4. Step 4: Simplify right side
    2,884.13x = 3,600,527.90
  5. Step 5: Solve for x
    x = 3,600,527.90/2,884.13
  6. Step 6: Final answer
    x = 1,248.40

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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.