Home / 3,362.77-5,044.76-1,388.40

Finding the Fourth Proportional to 3,362.77, 5,044.76 and 1,388.40

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Solution

The fourth proportional to 3,362.77, 5,044.76 and 1,388.40 is: 2,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.77 : 5,044.76 = 1,388.40 : x
  2. Step 2: Convert to fraction form
    3,362.77/5,044.76 = 1,388.40/x
  3. Step 3: Cross multiply
    3,362.77x = 5,044.76 × 1,388.40
  4. Step 4: Simplify right side
    3,362.77x = 7,004,144.78
  5. Step 5: Solve for x
    x = 7,004,144.78/3,362.77
  6. Step 6: Final answer
    x = 2,082.85

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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.