Home / 4,180.31-5,768.70-2,291.79

Finding the Fourth Proportional to 4,180.31, 5,768.70 and 2,291.79

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Solution

The fourth proportional to 4,180.31, 5,768.70 and 2,291.79 is: 3,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.31 : 5,768.70 = 2,291.79 : x
  2. Step 2: Convert to fraction form
    4,180.31/5,768.70 = 2,291.79/x
  3. Step 3: Cross multiply
    4,180.31x = 5,768.70 × 2,291.79
  4. Step 4: Simplify right side
    4,180.31x = 13,220,648.97
  5. Step 5: Solve for x
    x = 13,220,648.97/4,180.31
  6. Step 6: Final answer
    x = 3,162.60

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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.