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Finding the Fourth Proportional to 1,794.46, 2,476.15 and 1,008.49

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Solution

The fourth proportional to 1,794.46, 2,476.15 and 1,008.49 is: 1,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.46 : 2,476.15 = 1,008.49 : x
  2. Step 2: Convert to fraction form
    1,794.46/2,476.15 = 1,008.49/x
  3. Step 3: Cross multiply
    1,794.46x = 2,476.15 × 1,008.49
  4. Step 4: Simplify right side
    1,794.46x = 2,497,172.51
  5. Step 5: Solve for x
    x = 2,497,172.51/1,794.46
  6. Step 6: Final answer
    x = 1,391.60

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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.