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Finding the Fourth Proportional to 1,460.73, 2,015.79 and 797.58

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Solution

The fourth proportional to 1,460.73, 2,015.79 and 797.58 is: 1,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.73 : 2,015.79 = 797.58 : x
  2. Step 2: Convert to fraction form
    1,460.73/2,015.79 = 797.58/x
  3. Step 3: Cross multiply
    1,460.73x = 2,015.79 × 797.58
  4. Step 4: Simplify right side
    1,460.73x = 1,607,750.80
  5. Step 5: Solve for x
    x = 1,607,750.80/1,460.73
  6. Step 6: Final answer
    x = 1,100.65

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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.