Home / 2,458.66-3,393.82-2,196.22

Finding the Fourth Proportional to 2,458.66, 3,393.82 and 2,196.22

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Solution

The fourth proportional to 2,458.66, 3,393.82 and 2,196.22 is: 3,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.66 : 3,393.82 = 2,196.22 : x
  2. Step 2: Convert to fraction form
    2,458.66/3,393.82 = 2,196.22/x
  3. Step 3: Cross multiply
    2,458.66x = 3,393.82 × 2,196.22
  4. Step 4: Simplify right side
    2,458.66x = 7,453,552.90
  5. Step 5: Solve for x
    x = 7,453,552.90/2,458.66
  6. Step 6: Final answer
    x = 3,031.56

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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.