Home / 2,238.41-3,358.97-1,415.55

Finding the Fourth Proportional to 2,238.41, 3,358.97 and 1,415.55

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Solution

The fourth proportional to 2,238.41, 3,358.97 and 1,415.55 is: 2,124.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.41 : 3,358.97 = 1,415.55 : x
  2. Step 2: Convert to fraction form
    2,238.41/3,358.97 = 1,415.55/x
  3. Step 3: Cross multiply
    2,238.41x = 3,358.97 × 1,415.55
  4. Step 4: Simplify right side
    2,238.41x = 4,754,789.98
  5. Step 5: Solve for x
    x = 4,754,789.98/2,238.41
  6. Step 6: Final answer
    x = 2,124.18

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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.