Home / 3,729.71-5,147.75-2,843.93

Finding the Fourth Proportional to 3,729.71, 5,147.75 and 2,843.93

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Solution

The fourth proportional to 3,729.71, 5,147.75 and 2,843.93 is: 3,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.71 : 5,147.75 = 2,843.93 : x
  2. Step 2: Convert to fraction form
    3,729.71/5,147.75 = 2,843.93/x
  3. Step 3: Cross multiply
    3,729.71x = 5,147.75 × 2,843.93
  4. Step 4: Simplify right side
    3,729.71x = 14,639,826.44
  5. Step 5: Solve for x
    x = 14,639,826.44/3,729.71
  6. Step 6: Final answer
    x = 3,925.19

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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.