Home / 2,126.73-2,934.96-1,182.51

Finding the Fourth Proportional to 2,126.73, 2,934.96 and 1,182.51

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Solution

The fourth proportional to 2,126.73, 2,934.96 and 1,182.51 is: 1,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.73 : 2,934.96 = 1,182.51 : x
  2. Step 2: Convert to fraction form
    2,126.73/2,934.96 = 1,182.51/x
  3. Step 3: Cross multiply
    2,126.73x = 2,934.96 × 1,182.51
  4. Step 4: Simplify right side
    2,126.73x = 3,470,619.55
  5. Step 5: Solve for x
    x = 3,470,619.55/2,126.73
  6. Step 6: Final answer
    x = 1,631.90

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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.