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Finding the Fourth Proportional to 1,460.85, 2,015.97 and 797.71

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Solution

The fourth proportional to 1,460.85, 2,015.97 and 797.71 is: 1,100.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.85 : 2,015.97 = 797.71 : x
  2. Step 2: Convert to fraction form
    1,460.85/2,015.97 = 797.71/x
  3. Step 3: Cross multiply
    1,460.85x = 2,015.97 × 797.71
  4. Step 4: Simplify right side
    1,460.85x = 1,608,159.43
  5. Step 5: Solve for x
    x = 1,608,159.43/1,460.85
  6. Step 6: Final answer
    x = 1,100.84

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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.