Home / 3,390.85-4,679.83-2,046.53

Finding the Fourth Proportional to 3,390.85, 4,679.83 and 2,046.53

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Solution

The fourth proportional to 3,390.85, 4,679.83 and 2,046.53 is: 2,824.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.85 : 4,679.83 = 2,046.53 : x
  2. Step 2: Convert to fraction form
    3,390.85/4,679.83 = 2,046.53/x
  3. Step 3: Cross multiply
    3,390.85x = 4,679.83 × 2,046.53
  4. Step 4: Simplify right side
    3,390.85x = 9,577,400.42
  5. Step 5: Solve for x
    x = 9,577,400.42/3,390.85
  6. Step 6: Final answer
    x = 2,824.49

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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.