Home / 2,238.78-3,351.69-1,370.46

Finding the Fourth Proportional to 2,238.78, 3,351.69 and 1,370.46

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Solution

The fourth proportional to 2,238.78, 3,351.69 and 1,370.46 is: 2,051.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.78 : 3,351.69 = 1,370.46 : x
  2. Step 2: Convert to fraction form
    2,238.78/3,351.69 = 1,370.46/x
  3. Step 3: Cross multiply
    2,238.78x = 3,351.69 × 1,370.46
  4. Step 4: Simplify right side
    2,238.78x = 4,593,357.08
  5. Step 5: Solve for x
    x = 4,593,357.08/2,238.78
  6. Step 6: Final answer
    x = 2,051.72

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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.