Home / 2,234.07-3,354.19-1,139.20

Finding the Fourth Proportional to 2,234.07, 3,354.19 and 1,139.20

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Solution

The fourth proportional to 2,234.07, 3,354.19 and 1,139.20 is: 1,710.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234.07 : 3,354.19 = 1,139.20 : x
  2. Step 2: Convert to fraction form
    2,234.07/3,354.19 = 1,139.20/x
  3. Step 3: Cross multiply
    2,234.07x = 3,354.19 × 1,139.20
  4. Step 4: Simplify right side
    2,234.07x = 3,821,082.01
  5. Step 5: Solve for x
    x = 3,821,082.01/2,234.07
  6. Step 6: Final answer
    x = 1,710.37

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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.