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Finding the Fourth Proportional to 2,576.83, 3,865.21 and 932.75

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Solution

The fourth proportional to 2,576.83, 3,865.21 and 932.75 is: 1,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.83 : 3,865.21 = 932.75 : x
  2. Step 2: Convert to fraction form
    2,576.83/3,865.21 = 932.75/x
  3. Step 3: Cross multiply
    2,576.83x = 3,865.21 × 932.75
  4. Step 4: Simplify right side
    2,576.83x = 3,605,274.63
  5. Step 5: Solve for x
    x = 3,605,274.63/2,576.83
  6. Step 6: Final answer
    x = 1,399.11

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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.