Home / 2,788.80-3,848.78-1,793.46

Finding the Fourth Proportional to 2,788.80, 3,848.78 and 1,793.46

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Solution

The fourth proportional to 2,788.80, 3,848.78 and 1,793.46 is: 2,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.80 : 3,848.78 = 1,793.46 : x
  2. Step 2: Convert to fraction form
    2,788.80/3,848.78 = 1,793.46/x
  3. Step 3: Cross multiply
    2,788.80x = 3,848.78 × 1,793.46
  4. Step 4: Simplify right side
    2,788.80x = 6,902,632.98
  5. Step 5: Solve for x
    x = 6,902,632.98/2,788.80
  6. Step 6: Final answer
    x = 2,475.13

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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.