Home / 3,278.24-4,915.61-1,303.79

Finding the Fourth Proportional to 3,278.24, 4,915.61 and 1,303.79

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Solution

The fourth proportional to 3,278.24, 4,915.61 and 1,303.79 is: 1,954.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.24 : 4,915.61 = 1,303.79 : x
  2. Step 2: Convert to fraction form
    3,278.24/4,915.61 = 1,303.79/x
  3. Step 3: Cross multiply
    3,278.24x = 4,915.61 × 1,303.79
  4. Step 4: Simplify right side
    3,278.24x = 6,408,923.16
  5. Step 5: Solve for x
    x = 6,408,923.16/3,278.24
  6. Step 6: Final answer
    x = 1,954.99

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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.