Home / 2,788.47-4,181.26-1,472.92

Finding the Fourth Proportional to 2,788.47, 4,181.26 and 1,472.92

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Solution

The fourth proportional to 2,788.47, 4,181.26 and 1,472.92 is: 2,208.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.47 : 4,181.26 = 1,472.92 : x
  2. Step 2: Convert to fraction form
    2,788.47/4,181.26 = 1,472.92/x
  3. Step 3: Cross multiply
    2,788.47x = 4,181.26 × 1,472.92
  4. Step 4: Simplify right side
    2,788.47x = 6,158,654.11
  5. Step 5: Solve for x
    x = 6,158,654.11/2,788.47
  6. Step 6: Final answer
    x = 2,208.62

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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.