Home / 3,388.84-5,082.02-1,440.38

Finding the Fourth Proportional to 3,388.84, 5,082.02 and 1,440.38

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Solution

The fourth proportional to 3,388.84, 5,082.02 and 1,440.38 is: 2,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.84 : 5,082.02 = 1,440.38 : x
  2. Step 2: Convert to fraction form
    3,388.84/5,082.02 = 1,440.38/x
  3. Step 3: Cross multiply
    3,388.84x = 5,082.02 × 1,440.38
  4. Step 4: Simplify right side
    3,388.84x = 7,320,039.97
  5. Step 5: Solve for x
    x = 7,320,039.97/3,388.84
  6. Step 6: Final answer
    x = 2,160.04

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1.5x scale

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.