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Finding the Fourth Proportional to 3,602.86, 5,397.09 and 2,863.71

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Solution

The fourth proportional to 3,602.86, 5,397.09 and 2,863.71 is: 4,289.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.86 : 5,397.09 = 2,863.71 : x
  2. Step 2: Convert to fraction form
    3,602.86/5,397.09 = 2,863.71/x
  3. Step 3: Cross multiply
    3,602.86x = 5,397.09 × 2,863.71
  4. Step 4: Simplify right side
    3,602.86x = 15,455,700.60
  5. Step 5: Solve for x
    x = 15,455,700.60/3,602.86
  6. Step 6: Final answer
    x = 4,289.84

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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.