Home / 3,423.67-5,134.77-1,083.87

Finding the Fourth Proportional to 3,423.67, 5,134.77 and 1,083.87

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Solution

The fourth proportional to 3,423.67, 5,134.77 and 1,083.87 is: 1,625.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.67 : 5,134.77 = 1,083.87 : x
  2. Step 2: Convert to fraction form
    3,423.67/5,134.77 = 1,083.87/x
  3. Step 3: Cross multiply
    3,423.67x = 5,134.77 × 1,083.87
  4. Step 4: Simplify right side
    3,423.67x = 5,565,423.16
  5. Step 5: Solve for x
    x = 5,565,423.16/3,423.67
  6. Step 6: Final answer
    x = 1,625.57

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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.