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Finding the Fourth Proportional to 1,335.44, 1,843.20 and 893.52

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Solution

The fourth proportional to 1,335.44, 1,843.20 and 893.52 is: 1,233.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.44 : 1,843.20 = 893.52 : x
  2. Step 2: Convert to fraction form
    1,335.44/1,843.20 = 893.52/x
  3. Step 3: Cross multiply
    1,335.44x = 1,843.20 × 893.52
  4. Step 4: Simplify right side
    1,335.44x = 1,646,936.06
  5. Step 5: Solve for x
    x = 1,646,936.06/1,335.44
  6. Step 6: Final answer
    x = 1,233.25

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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.