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Finding the Fourth Proportional to 2,439.66, 3,659.82 and 795.68

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Solution

The fourth proportional to 2,439.66, 3,659.82 and 795.68 is: 1,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.66 : 3,659.82 = 795.68 : x
  2. Step 2: Convert to fraction form
    2,439.66/3,659.82 = 795.68/x
  3. Step 3: Cross multiply
    2,439.66x = 3,659.82 × 795.68
  4. Step 4: Simplify right side
    2,439.66x = 2,912,045.58
  5. Step 5: Solve for x
    x = 2,912,045.58/2,439.66
  6. Step 6: Final answer
    x = 1,193.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.