Home / 2,192.97-3,026.25-1,308.45

Finding the Fourth Proportional to 2,192.97, 3,026.25 and 1,308.45

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Solution

The fourth proportional to 2,192.97, 3,026.25 and 1,308.45 is: 1,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.97 : 3,026.25 = 1,308.45 : x
  2. Step 2: Convert to fraction form
    2,192.97/3,026.25 = 1,308.45/x
  3. Step 3: Cross multiply
    2,192.97x = 3,026.25 × 1,308.45
  4. Step 4: Simplify right side
    2,192.97x = 3,959,696.81
  5. Step 5: Solve for x
    x = 3,959,696.81/2,192.97
  6. Step 6: Final answer
    x = 1,805.63

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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.