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Finding the Fourth Proportional to 2,904.44, 4,008.11 and 1,578.15

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Solution

The fourth proportional to 2,904.44, 4,008.11 and 1,578.15 is: 2,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.44 : 4,008.11 = 1,578.15 : x
  2. Step 2: Convert to fraction form
    2,904.44/4,008.11 = 1,578.15/x
  3. Step 3: Cross multiply
    2,904.44x = 4,008.11 × 1,578.15
  4. Step 4: Simplify right side
    2,904.44x = 6,325,402.74
  5. Step 5: Solve for x
    x = 6,325,402.74/2,904.44
  6. Step 6: Final answer
    x = 2,177.84

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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.