Home / 3,377.28-5,066.70-1,068.78

Finding the Fourth Proportional to 3,377.28, 5,066.70 and 1,068.78

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Solution

The fourth proportional to 3,377.28, 5,066.70 and 1,068.78 is: 1,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.28 : 5,066.70 = 1,068.78 : x
  2. Step 2: Convert to fraction form
    3,377.28/5,066.70 = 1,068.78/x
  3. Step 3: Cross multiply
    3,377.28x = 5,066.70 × 1,068.78
  4. Step 4: Simplify right side
    3,377.28x = 5,415,187.63
  5. Step 5: Solve for x
    x = 5,415,187.63/3,377.28
  6. Step 6: Final answer
    x = 1,603.42

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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.