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Finding the Fourth Proportional to 1,796.92, 2,479.74 and 1,010.95

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Solution

The fourth proportional to 1,796.92, 2,479.74 and 1,010.95 is: 1,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.92 : 2,479.74 = 1,010.95 : x
  2. Step 2: Convert to fraction form
    1,796.92/2,479.74 = 1,010.95/x
  3. Step 3: Cross multiply
    1,796.92x = 2,479.74 × 1,010.95
  4. Step 4: Simplify right side
    1,796.92x = 2,506,893.15
  5. Step 5: Solve for x
    x = 2,506,893.15/1,796.92
  6. Step 6: Final answer
    x = 1,395.11

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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.