Home / 2,446.16-3,647.78-2,180.60

Finding the Fourth Proportional to 2,446.16, 3,647.78 and 2,180.60

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Solution

The fourth proportional to 2,446.16, 3,647.78 and 2,180.60 is: 3,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.16 : 3,647.78 = 2,180.60 : x
  2. Step 2: Convert to fraction form
    2,446.16/3,647.78 = 2,180.60/x
  3. Step 3: Cross multiply
    2,446.16x = 3,647.78 × 2,180.60
  4. Step 4: Simplify right side
    2,446.16x = 7,954,349.07
  5. Step 5: Solve for x
    x = 7,954,349.07/2,446.16
  6. Step 6: Final answer
    x = 3,251.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.