Home / 3,220.20-4,444.32-1,894.32

Finding the Fourth Proportional to 3,220.20, 4,444.32 and 1,894.32

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Solution

The fourth proportional to 3,220.20, 4,444.32 and 1,894.32 is: 2,614.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.20 : 4,444.32 = 1,894.32 : x
  2. Step 2: Convert to fraction form
    3,220.20/4,444.32 = 1,894.32/x
  3. Step 3: Cross multiply
    3,220.20x = 4,444.32 × 1,894.32
  4. Step 4: Simplify right side
    3,220.20x = 8,418,964.26
  5. Step 5: Solve for x
    x = 8,418,964.26/3,220.20
  6. Step 6: Final answer
    x = 2,614.42

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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.