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Finding the Fourth Proportional to 2,691.63, 4,013.27 and 2,588.86

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Solution

The fourth proportional to 2,691.63, 4,013.27 and 2,588.86 is: 3,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.63 : 4,013.27 = 2,588.86 : x
  2. Step 2: Convert to fraction form
    2,691.63/4,013.27 = 2,588.86/x
  3. Step 3: Cross multiply
    2,691.63x = 4,013.27 × 2,588.86
  4. Step 4: Simplify right side
    2,691.63x = 10,389,803.23
  5. Step 5: Solve for x
    x = 10,389,803.23/2,691.63
  6. Step 6: Final answer
    x = 3,860.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.