Home / 3,666.80-5,061.16-2,268.76

Finding the Fourth Proportional to 3,666.80, 5,061.16 and 2,268.76

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Solution

The fourth proportional to 3,666.80, 5,061.16 and 2,268.76 is: 3,131.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.80 : 5,061.16 = 2,268.76 : x
  2. Step 2: Convert to fraction form
    3,666.80/5,061.16 = 2,268.76/x
  3. Step 3: Cross multiply
    3,666.80x = 5,061.16 × 2,268.76
  4. Step 4: Simplify right side
    3,666.80x = 11,482,557.36
  5. Step 5: Solve for x
    x = 11,482,557.36/3,666.80
  6. Step 6: Final answer
    x = 3,131.49

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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.