Home / 2,845.85-3,927.27-1,726.49

Finding the Fourth Proportional to 2,845.85, 3,927.27 and 1,726.49

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Solution

The fourth proportional to 2,845.85, 3,927.27 and 1,726.49 is: 2,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.85 : 3,927.27 = 1,726.49 : x
  2. Step 2: Convert to fraction form
    2,845.85/3,927.27 = 1,726.49/x
  3. Step 3: Cross multiply
    2,845.85x = 3,927.27 × 1,726.49
  4. Step 4: Simplify right side
    2,845.85x = 6,780,372.75
  5. Step 5: Solve for x
    x = 6,780,372.75/2,845.85
  6. Step 6: Final answer
    x = 2,382.55

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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.