Home / 3,356.30-4,632.36-2,144.21

Finding the Fourth Proportional to 3,356.30, 4,632.36 and 2,144.21

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Solution

The fourth proportional to 3,356.30, 4,632.36 and 2,144.21 is: 2,959.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.30 : 4,632.36 = 2,144.21 : x
  2. Step 2: Convert to fraction form
    3,356.30/4,632.36 = 2,144.21/x
  3. Step 3: Cross multiply
    3,356.30x = 4,632.36 × 2,144.21
  4. Step 4: Simplify right side
    3,356.30x = 9,932,718.75
  5. Step 5: Solve for x
    x = 9,932,718.75/3,356.30
  6. Step 6: Final answer
    x = 2,959.43

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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.