Home / 3,356.54-4,629.35-2,161.62

Finding the Fourth Proportional to 3,356.54, 4,629.35 and 2,161.62

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Solution

The fourth proportional to 3,356.54, 4,629.35 and 2,161.62 is: 2,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.54 : 4,629.35 = 2,161.62 : x
  2. Step 2: Convert to fraction form
    3,356.54/4,629.35 = 2,161.62/x
  3. Step 3: Cross multiply
    3,356.54x = 4,629.35 × 2,161.62
  4. Step 4: Simplify right side
    3,356.54x = 10,006,903.57
  5. Step 5: Solve for x
    x = 10,006,903.57/3,356.54
  6. Step 6: Final answer
    x = 2,981.32

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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.