Home / 3,934.15-5,424.67-3,035.86

Finding the Fourth Proportional to 3,934.15, 5,424.67 and 3,035.86

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Solution

The fourth proportional to 3,934.15, 5,424.67 and 3,035.86 is: 4,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.15 : 5,424.67 = 3,035.86 : x
  2. Step 2: Convert to fraction form
    3,934.15/5,424.67 = 3,035.86/x
  3. Step 3: Cross multiply
    3,934.15x = 5,424.67 × 3,035.86
  4. Step 4: Simplify right side
    3,934.15x = 16,468,538.67
  5. Step 5: Solve for x
    x = 16,468,538.67/3,934.15
  6. Step 6: Final answer
    x = 4,186.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.