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Finding the Fourth Proportional to 3,988.01, 5,983.22 and 2,879.93

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Solution

The fourth proportional to 3,988.01, 5,983.22 and 2,879.93 is: 4,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.01 : 5,983.22 = 2,879.93 : x
  2. Step 2: Convert to fraction form
    3,988.01/5,983.22 = 2,879.93/x
  3. Step 3: Cross multiply
    3,988.01x = 5,983.22 × 2,879.93
  4. Step 4: Simplify right side
    3,988.01x = 17,231,254.77
  5. Step 5: Solve for x
    x = 17,231,254.77/3,988.01
  6. Step 6: Final answer
    x = 4,320.77

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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.