Home / 3,951.51-5,451.42-2,773.35

Finding the Fourth Proportional to 3,951.51, 5,451.42 and 2,773.35

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Solution

The fourth proportional to 3,951.51, 5,451.42 and 2,773.35 is: 3,826.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.51 : 5,451.42 = 2,773.35 : x
  2. Step 2: Convert to fraction form
    3,951.51/5,451.42 = 2,773.35/x
  3. Step 3: Cross multiply
    3,951.51x = 5,451.42 × 2,773.35
  4. Step 4: Simplify right side
    3,951.51x = 15,118,695.66
  5. Step 5: Solve for x
    x = 15,118,695.66/3,951.51
  6. Step 6: Final answer
    x = 3,826.06

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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.