Home / 3,366.90-4,646.16-2,170.53

Finding the Fourth Proportional to 3,366.90, 4,646.16 and 2,170.53

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Solution

The fourth proportional to 3,366.90, 4,646.16 and 2,170.53 is: 2,995.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.90 : 4,646.16 = 2,170.53 : x
  2. Step 2: Convert to fraction form
    3,366.90/4,646.16 = 2,170.53/x
  3. Step 3: Cross multiply
    3,366.90x = 4,646.16 × 2,170.53
  4. Step 4: Simplify right side
    3,366.90x = 10,084,629.66
  5. Step 5: Solve for x
    x = 10,084,629.66/3,366.90
  6. Step 6: Final answer
    x = 2,995.23

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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.