Home / 3,772.71-5,203.19-2,830.59

Finding the Fourth Proportional to 3,772.71, 5,203.19 and 2,830.59

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Solution

The fourth proportional to 3,772.71, 5,203.19 and 2,830.59 is: 3,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.71 : 5,203.19 = 2,830.59 : x
  2. Step 2: Convert to fraction form
    3,772.71/5,203.19 = 2,830.59/x
  3. Step 3: Cross multiply
    3,772.71x = 5,203.19 × 2,830.59
  4. Step 4: Simplify right side
    3,772.71x = 14,728,104.66
  5. Step 5: Solve for x
    x = 14,728,104.66/3,772.71
  6. Step 6: Final answer
    x = 3,903.85

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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.