Home / 3,944.30-5,916.50-1,133.12

Finding the Fourth Proportional to 3,944.30, 5,916.50 and 1,133.12

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Solution

The fourth proportional to 3,944.30, 5,916.50 and 1,133.12 is: 1,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.30 : 5,916.50 = 1,133.12 : x
  2. Step 2: Convert to fraction form
    3,944.30/5,916.50 = 1,133.12/x
  3. Step 3: Cross multiply
    3,944.30x = 5,916.50 × 1,133.12
  4. Step 4: Simplify right side
    3,944.30x = 6,704,117.85
  5. Step 5: Solve for x
    x = 6,704,117.85/3,944.30
  6. Step 6: Final answer
    x = 1,699.70

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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.