Home / 3,231.60-4,848.48-2,788.80

Finding the Fourth Proportional to 3,231.60, 4,848.48 and 2,788.80

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Solution

The fourth proportional to 3,231.60, 4,848.48 and 2,788.80 is: 4,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.60 : 4,848.48 = 2,788.80 : x
  2. Step 2: Convert to fraction form
    3,231.60/4,848.48 = 2,788.80/x
  3. Step 3: Cross multiply
    3,231.60x = 4,848.48 × 2,788.80
  4. Step 4: Simplify right side
    3,231.60x = 13,521,441.02
  5. Step 5: Solve for x
    x = 13,521,441.02/3,231.60
  6. Step 6: Final answer
    x = 4,184.13

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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.