Home / 3,243.60-4,860.80-2,509.76

Finding the Fourth Proportional to 3,243.60, 4,860.80 and 2,509.76

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Solution

The fourth proportional to 3,243.60, 4,860.80 and 2,509.76 is: 3,761.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.60 : 4,860.80 = 2,509.76 : x
  2. Step 2: Convert to fraction form
    3,243.60/4,860.80 = 2,509.76/x
  3. Step 3: Cross multiply
    3,243.60x = 4,860.80 × 2,509.76
  4. Step 4: Simplify right side
    3,243.60x = 12,199,441.41
  5. Step 5: Solve for x
    x = 12,199,441.41/3,243.60
  6. Step 6: Final answer
    x = 3,761.08

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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.