Home / 3,358.45-5,038.67-1,356.11

Finding the Fourth Proportional to 3,358.45, 5,038.67 and 1,356.11

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Solution

The fourth proportional to 3,358.45, 5,038.67 and 1,356.11 is: 2,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.45 : 5,038.67 = 1,356.11 : x
  2. Step 2: Convert to fraction form
    3,358.45/5,038.67 = 1,356.11/x
  3. Step 3: Cross multiply
    3,358.45x = 5,038.67 × 1,356.11
  4. Step 4: Simplify right side
    3,358.45x = 6,832,965.58
  5. Step 5: Solve for x
    x = 6,832,965.58/3,358.45
  6. Step 6: Final answer
    x = 2,034.56

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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.