Home / 3,467.70-4,783.95-2,140.38

Finding the Fourth Proportional to 3,467.70, 4,783.95 and 2,140.38

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Solution

The fourth proportional to 3,467.70, 4,783.95 and 2,140.38 is: 2,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.70 : 4,783.95 = 2,140.38 : x
  2. Step 2: Convert to fraction form
    3,467.70/4,783.95 = 2,140.38/x
  3. Step 3: Cross multiply
    3,467.70x = 4,783.95 × 2,140.38
  4. Step 4: Simplify right side
    3,467.70x = 10,239,470.90
  5. Step 5: Solve for x
    x = 10,239,470.90/3,467.70
  6. Step 6: Final answer
    x = 2,952.81

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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.