Home / 3,944.34-5,916.28-1,478.96

Finding the Fourth Proportional to 3,944.34, 5,916.28 and 1,478.96

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Solution

The fourth proportional to 3,944.34, 5,916.28 and 1,478.96 is: 2,218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.34 : 5,916.28 = 1,478.96 : x
  2. Step 2: Convert to fraction form
    3,944.34/5,916.28 = 1,478.96/x
  3. Step 3: Cross multiply
    3,944.34x = 5,916.28 × 1,478.96
  4. Step 4: Simplify right side
    3,944.34x = 8,749,904.49
  5. Step 5: Solve for x
    x = 8,749,904.49/3,944.34
  6. Step 6: Final answer
    x = 2,218.34

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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.