Home / 3,233.60-4,463.49-1,907.21

Finding the Fourth Proportional to 3,233.60, 4,463.49 and 1,907.21

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Solution

The fourth proportional to 3,233.60, 4,463.49 and 1,907.21 is: 2,632.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,233.60 : 4,463.49 = 1,907.21 : x
  2. Step 2: Convert to fraction form
    3,233.60/4,463.49 = 1,907.21/x
  3. Step 3: Cross multiply
    3,233.60x = 4,463.49 × 1,907.21
  4. Step 4: Simplify right side
    3,233.60x = 8,512,812.76
  5. Step 5: Solve for x
    x = 8,512,812.76/3,233.60
  6. Step 6: Final answer
    x = 2,632.61

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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.