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Finding the Fourth Proportional to 2,659.87, 3,670.53 and 1,480.88

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Solution

The fourth proportional to 2,659.87, 3,670.53 and 1,480.88 is: 2,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.87 : 3,670.53 = 1,480.88 : x
  2. Step 2: Convert to fraction form
    2,659.87/3,670.53 = 1,480.88/x
  3. Step 3: Cross multiply
    2,659.87x = 3,670.53 × 1,480.88
  4. Step 4: Simplify right side
    2,659.87x = 5,435,596.11
  5. Step 5: Solve for x
    x = 5,435,596.11/2,659.87
  6. Step 6: Final answer
    x = 2,043.56

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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.