Home / 3,418.41-4,716.14-2,159.01

Finding the Fourth Proportional to 3,418.41, 4,716.14 and 2,159.01

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Solution

The fourth proportional to 3,418.41, 4,716.14 and 2,159.01 is: 2,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.41 : 4,716.14 = 2,159.01 : x
  2. Step 2: Convert to fraction form
    3,418.41/4,716.14 = 2,159.01/x
  3. Step 3: Cross multiply
    3,418.41x = 4,716.14 × 2,159.01
  4. Step 4: Simplify right side
    3,418.41x = 10,182,193.42
  5. Step 5: Solve for x
    x = 10,182,193.42/3,418.41
  6. Step 6: Final answer
    x = 2,978.63

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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.