Home / 4,087.73-5,637.79-2,671.31

Finding the Fourth Proportional to 4,087.73, 5,637.79 and 2,671.31

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Solution

The fourth proportional to 4,087.73, 5,637.79 and 2,671.31 is: 3,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.73 : 5,637.79 = 2,671.31 : x
  2. Step 2: Convert to fraction form
    4,087.73/5,637.79 = 2,671.31/x
  3. Step 3: Cross multiply
    4,087.73x = 5,637.79 × 2,671.31
  4. Step 4: Simplify right side
    4,087.73x = 15,060,284.80
  5. Step 5: Solve for x
    x = 15,060,284.80/4,087.73
  6. Step 6: Final answer
    x = 3,684.27

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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.