Home / 3,110.80-4,666.18-1,261.48

Finding the Fourth Proportional to 3,110.80, 4,666.18 and 1,261.48

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Solution

The fourth proportional to 3,110.80, 4,666.18 and 1,261.48 is: 1,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.80 : 4,666.18 = 1,261.48 : x
  2. Step 2: Convert to fraction form
    3,110.80/4,666.18 = 1,261.48/x
  3. Step 3: Cross multiply
    3,110.80x = 4,666.18 × 1,261.48
  4. Step 4: Simplify right side
    3,110.80x = 5,886,292.75
  5. Step 5: Solve for x
    x = 5,886,292.75/3,110.80
  6. Step 6: Final answer
    x = 1,892.21

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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.