Home / 3,204.78-4,807.85-1,013.67

Finding the Fourth Proportional to 3,204.78, 4,807.85 and 1,013.67

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Solution

The fourth proportional to 3,204.78, 4,807.85 and 1,013.67 is: 1,520.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.78 : 4,807.85 = 1,013.67 : x
  2. Step 2: Convert to fraction form
    3,204.78/4,807.85 = 1,013.67/x
  3. Step 3: Cross multiply
    3,204.78x = 4,807.85 × 1,013.67
  4. Step 4: Simplify right side
    3,204.78x = 4,873,568.24
  5. Step 5: Solve for x
    x = 4,873,568.24/3,204.78
  6. Step 6: Final answer
    x = 1,520.72

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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.