Home / 3,390.34-5,082.57-1,443.94

Finding the Fourth Proportional to 3,390.34, 5,082.57 and 1,443.94

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Solution

The fourth proportional to 3,390.34, 5,082.57 and 1,443.94 is: 2,164.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.34 : 5,082.57 = 1,443.94 : x
  2. Step 2: Convert to fraction form
    3,390.34/5,082.57 = 1,443.94/x
  3. Step 3: Cross multiply
    3,390.34x = 5,082.57 × 1,443.94
  4. Step 4: Simplify right side
    3,390.34x = 7,338,926.13
  5. Step 5: Solve for x
    x = 7,338,926.13/3,390.34
  6. Step 6: Final answer
    x = 2,164.66

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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.