Home / 3,561.88-5,340.42-1,252.12

Finding the Fourth Proportional to 3,561.88, 5,340.42 and 1,252.12

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Solution

The fourth proportional to 3,561.88, 5,340.42 and 1,252.12 is: 1,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.88 : 5,340.42 = 1,252.12 : x
  2. Step 2: Convert to fraction form
    3,561.88/5,340.42 = 1,252.12/x
  3. Step 3: Cross multiply
    3,561.88x = 5,340.42 × 1,252.12
  4. Step 4: Simplify right side
    3,561.88x = 6,686,846.69
  5. Step 5: Solve for x
    x = 6,686,846.69/3,561.88
  6. Step 6: Final answer
    x = 1,877.34

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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.