Home / 3,666.62-5,054.02-2,868.56

Finding the Fourth Proportional to 3,666.62, 5,054.02 and 2,868.56

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Solution

The fourth proportional to 3,666.62, 5,054.02 and 2,868.56 is: 3,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.62 : 5,054.02 = 2,868.56 : x
  2. Step 2: Convert to fraction form
    3,666.62/5,054.02 = 2,868.56/x
  3. Step 3: Cross multiply
    3,666.62x = 5,054.02 × 2,868.56
  4. Step 4: Simplify right side
    3,666.62x = 14,497,759.61
  5. Step 5: Solve for x
    x = 14,497,759.61/3,666.62
  6. Step 6: Final answer
    x = 3,953.98

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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.