Home / 3,432.84-4,737.78-2,106.12

Finding the Fourth Proportional to 3,432.84, 4,737.78 and 2,106.12

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Solution

The fourth proportional to 3,432.84, 4,737.78 and 2,106.12 is: 2,906.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.84 : 4,737.78 = 2,106.12 : x
  2. Step 2: Convert to fraction form
    3,432.84/4,737.78 = 2,106.12/x
  3. Step 3: Cross multiply
    3,432.84x = 4,737.78 × 2,106.12
  4. Step 4: Simplify right side
    3,432.84x = 9,978,333.21
  5. Step 5: Solve for x
    x = 9,978,333.21/3,432.84
  6. Step 6: Final answer
    x = 2,906.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.