Home / 2,919.22-4,377.39-1,068.94

Finding the Fourth Proportional to 2,919.22, 4,377.39 and 1,068.94

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Solution

The fourth proportional to 2,919.22, 4,377.39 and 1,068.94 is: 1,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.22 : 4,377.39 = 1,068.94 : x
  2. Step 2: Convert to fraction form
    2,919.22/4,377.39 = 1,068.94/x
  3. Step 3: Cross multiply
    2,919.22x = 4,377.39 × 1,068.94
  4. Step 4: Simplify right side
    2,919.22x = 4,679,167.27
  5. Step 5: Solve for x
    x = 4,679,167.27/2,919.22
  6. Step 6: Final answer
    x = 1,602.88

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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.