Home / 2,077.11-2,866.41-1,237.82

Finding the Fourth Proportional to 2,077.11, 2,866.41 and 1,237.82

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Solution

The fourth proportional to 2,077.11, 2,866.41 and 1,237.82 is: 1,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.11 : 2,866.41 = 1,237.82 : x
  2. Step 2: Convert to fraction form
    2,077.11/2,866.41 = 1,237.82/x
  3. Step 3: Cross multiply
    2,077.11x = 2,866.41 × 1,237.82
  4. Step 4: Simplify right side
    2,077.11x = 3,548,085.29
  5. Step 5: Solve for x
    x = 3,548,085.29/2,077.11
  6. Step 6: Final answer
    x = 1,708.18

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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.