Home / 2,126.54-2,934.63-1,182.41

Finding the Fourth Proportional to 2,126.54, 2,934.63 and 1,182.41

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Solution

The fourth proportional to 2,126.54, 2,934.63 and 1,182.41 is: 1,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.54 : 2,934.63 = 1,182.41 : x
  2. Step 2: Convert to fraction form
    2,126.54/2,934.63 = 1,182.41/x
  3. Step 3: Cross multiply
    2,126.54x = 2,934.63 × 1,182.41
  4. Step 4: Simplify right side
    2,126.54x = 3,469,948.70
  5. Step 5: Solve for x
    x = 3,469,948.70/2,126.54
  6. Step 6: Final answer
    x = 1,631.74

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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.