Home / 3,913.32-5,864.50-2,812.52

Finding the Fourth Proportional to 3,913.32, 5,864.50 and 2,812.52

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Solution

The fourth proportional to 3,913.32, 5,864.50 and 2,812.52 is: 4,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.32 : 5,864.50 = 2,812.52 : x
  2. Step 2: Convert to fraction form
    3,913.32/5,864.50 = 2,812.52/x
  3. Step 3: Cross multiply
    3,913.32x = 5,864.50 × 2,812.52
  4. Step 4: Simplify right side
    3,913.32x = 16,494,023.54
  5. Step 5: Solve for x
    x = 16,494,023.54/3,913.32
  6. Step 6: Final answer
    x = 4,214.84

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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.