Home / 2,234.11-3,082.96-1,239.36

Finding the Fourth Proportional to 2,234.11, 3,082.96 and 1,239.36

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Solution

The fourth proportional to 2,234.11, 3,082.96 and 1,239.36 is: 1,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234.11 : 3,082.96 = 1,239.36 : x
  2. Step 2: Convert to fraction form
    2,234.11/3,082.96 = 1,239.36/x
  3. Step 3: Cross multiply
    2,234.11x = 3,082.96 × 1,239.36
  4. Step 4: Simplify right side
    2,234.11x = 3,820,897.31
  5. Step 5: Solve for x
    x = 3,820,897.31/2,234.11
  6. Step 6: Final answer
    x = 1,710.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.