Home / 3,366.20-4,646.12-2,185.22

Finding the Fourth Proportional to 3,366.20, 4,646.12 and 2,185.22

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Solution

The fourth proportional to 3,366.20, 4,646.12 and 2,185.22 is: 3,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.20 : 4,646.12 = 2,185.22 : x
  2. Step 2: Convert to fraction form
    3,366.20/4,646.12 = 2,185.22/x
  3. Step 3: Cross multiply
    3,366.20x = 4,646.12 × 2,185.22
  4. Step 4: Simplify right side
    3,366.20x = 10,152,795.04
  5. Step 5: Solve for x
    x = 10,152,795.04/3,366.20
  6. Step 6: Final answer
    x = 3,016.10

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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.