Home / 3,418.86-4,718.00-2,224.36

Finding the Fourth Proportional to 3,418.86, 4,718.00 and 2,224.36

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Solution

The fourth proportional to 3,418.86, 4,718.00 and 2,224.36 is: 3,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.86 : 4,718.00 = 2,224.36 : x
  2. Step 2: Convert to fraction form
    3,418.86/4,718.00 = 2,224.36/x
  3. Step 3: Cross multiply
    3,418.86x = 4,718.00 × 2,224.36
  4. Step 4: Simplify right side
    3,418.86x = 10,494,529.43
  5. Step 5: Solve for x
    x = 10,494,529.43/3,418.86
  6. Step 6: Final answer
    x = 3,069.60

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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.