Home / 2,534.40-3,799.98-1,072.80

Finding the Fourth Proportional to 2,534.40, 3,799.98 and 1,072.80

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Solution

The fourth proportional to 2,534.40, 3,799.98 and 1,072.80 is: 1,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,534.40 : 3,799.98 = 1,072.80 : x
  2. Step 2: Convert to fraction form
    2,534.40/3,799.98 = 1,072.80/x
  3. Step 3: Cross multiply
    2,534.40x = 3,799.98 × 1,072.80
  4. Step 4: Simplify right side
    2,534.40x = 4,076,618.54
  5. Step 5: Solve for x
    x = 4,076,618.54/2,534.40
  6. Step 6: Final answer
    x = 1,608.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.