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Finding the Fourth Proportional to 1,517.58, 2,094.17 and 888.17

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Solution

The fourth proportional to 1,517.58, 2,094.17 and 888.17 is: 1,225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.58 : 2,094.17 = 888.17 : x
  2. Step 2: Convert to fraction form
    1,517.58/2,094.17 = 888.17/x
  3. Step 3: Cross multiply
    1,517.58x = 2,094.17 × 888.17
  4. Step 4: Simplify right side
    1,517.58x = 1,859,964.06
  5. Step 5: Solve for x
    x = 1,859,964.06/1,517.58
  6. Step 6: Final answer
    x = 1,225.61

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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.