Home / 2,893.32-4,338.77-918.41

Finding the Fourth Proportional to 2,893.32, 4,338.77 and 918.41

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Solution

The fourth proportional to 2,893.32, 4,338.77 and 918.41 is: 1,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.32 : 4,338.77 = 918.41 : x
  2. Step 2: Convert to fraction form
    2,893.32/4,338.77 = 918.41/x
  3. Step 3: Cross multiply
    2,893.32x = 4,338.77 × 918.41
  4. Step 4: Simplify right side
    2,893.32x = 3,984,743.47
  5. Step 5: Solve for x
    x = 3,984,743.47/2,893.32
  6. Step 6: Final answer
    x = 1,377.22

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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.