Home / 3,711.41-5,121.80-2,032.78

Finding the Fourth Proportional to 3,711.41, 5,121.80 and 2,032.78

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Solution

The fourth proportional to 3,711.41, 5,121.80 and 2,032.78 is: 2,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.41 : 5,121.80 = 2,032.78 : x
  2. Step 2: Convert to fraction form
    3,711.41/5,121.80 = 2,032.78/x
  3. Step 3: Cross multiply
    3,711.41x = 5,121.80 × 2,032.78
  4. Step 4: Simplify right side
    3,711.41x = 10,411,482.44
  5. Step 5: Solve for x
    x = 10,411,482.44/3,711.41
  6. Step 6: Final answer
    x = 2,805.27

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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.