Home / 3,358.34-5,038.37-1,972.85

Finding the Fourth Proportional to 3,358.34, 5,038.37 and 1,972.85

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Solution

The fourth proportional to 3,358.34, 5,038.37 and 1,972.85 is: 2,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.34 : 5,038.37 = 1,972.85 : x
  2. Step 2: Convert to fraction form
    3,358.34/5,038.37 = 1,972.85/x
  3. Step 3: Cross multiply
    3,358.34x = 5,038.37 × 1,972.85
  4. Step 4: Simplify right side
    3,358.34x = 9,939,958.38
  5. Step 5: Solve for x
    x = 9,939,958.38/3,358.34
  6. Step 6: Final answer
    x = 2,959.78

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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.