Home / 3,944.19-5,916.48-1,311.93

Finding the Fourth Proportional to 3,944.19, 5,916.48 and 1,311.93

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Solution

The fourth proportional to 3,944.19, 5,916.48 and 1,311.93 is: 1,967.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.19 : 5,916.48 = 1,311.93 : x
  2. Step 2: Convert to fraction form
    3,944.19/5,916.48 = 1,311.93/x
  3. Step 3: Cross multiply
    3,944.19x = 5,916.48 × 1,311.93
  4. Step 4: Simplify right side
    3,944.19x = 7,762,007.61
  5. Step 5: Solve for x
    x = 7,762,007.61/3,944.19
  6. Step 6: Final answer
    x = 1,967.96

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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.