Home / 1,774.26-2,447.37-1,276.11

Finding the Fourth Proportional to 1,774.26, 2,447.37 and 1,276.11

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Solution

The fourth proportional to 1,774.26, 2,447.37 and 1,276.11 is: 1,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.26 : 2,447.37 = 1,276.11 : x
  2. Step 2: Convert to fraction form
    1,774.26/2,447.37 = 1,276.11/x
  3. Step 3: Cross multiply
    1,774.26x = 2,447.37 × 1,276.11
  4. Step 4: Simplify right side
    1,774.26x = 3,123,113.33
  5. Step 5: Solve for x
    x = 3,123,113.33/1,774.26
  6. Step 6: Final answer
    x = 1,760.23

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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.