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Finding the Fourth Proportional to 1,754.36, 2,633.18 and 889.28

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Solution

The fourth proportional to 1,754.36, 2,633.18 and 889.28 is: 1,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.36 : 2,633.18 = 889.28 : x
  2. Step 2: Convert to fraction form
    1,754.36/2,633.18 = 889.28/x
  3. Step 3: Cross multiply
    1,754.36x = 2,633.18 × 889.28
  4. Step 4: Simplify right side
    1,754.36x = 2,341,634.31
  5. Step 5: Solve for x
    x = 2,341,634.31/1,754.36
  6. Step 6: Final answer
    x = 1,334.75

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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.