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Finding the Fourth Proportional to 1,553.52, 2,326.44 and 902.28

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Solution

The fourth proportional to 1,553.52, 2,326.44 and 902.28 is: 1,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.52 : 2,326.44 = 902.28 : x
  2. Step 2: Convert to fraction form
    1,553.52/2,326.44 = 902.28/x
  3. Step 3: Cross multiply
    1,553.52x = 2,326.44 × 902.28
  4. Step 4: Simplify right side
    1,553.52x = 2,099,100.28
  5. Step 5: Solve for x
    x = 2,099,100.28/1,553.52
  6. Step 6: Final answer
    x = 1,351.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.