Home / 2,263.38-3,394.08-1,339.20

Finding the Fourth Proportional to 2,263.38, 3,394.08 and 1,339.20

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Solution

The fourth proportional to 2,263.38, 3,394.08 and 1,339.20 is: 2,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.38 : 3,394.08 = 1,339.20 : x
  2. Step 2: Convert to fraction form
    2,263.38/3,394.08 = 1,339.20/x
  3. Step 3: Cross multiply
    2,263.38x = 3,394.08 × 1,339.20
  4. Step 4: Simplify right side
    2,263.38x = 4,545,351.94
  5. Step 5: Solve for x
    x = 4,545,351.94/2,263.38
  6. Step 6: Final answer
    x = 2,008.21

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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.