Home / 2,138.61-2,951.03-1,194.47

Finding the Fourth Proportional to 2,138.61, 2,951.03 and 1,194.47

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Solution

The fourth proportional to 2,138.61, 2,951.03 and 1,194.47 is: 1,648.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138.61 : 2,951.03 = 1,194.47 : x
  2. Step 2: Convert to fraction form
    2,138.61/2,951.03 = 1,194.47/x
  3. Step 3: Cross multiply
    2,138.61x = 2,951.03 × 1,194.47
  4. Step 4: Simplify right side
    2,138.61x = 3,524,896.08
  5. Step 5: Solve for x
    x = 3,524,896.08/2,138.61
  6. Step 6: Final answer
    x = 1,648.22

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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.