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Finding the Fourth Proportional to 3,260.32, 4,890.48 and 795.14

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Solution

The fourth proportional to 3,260.32, 4,890.48 and 795.14 is: 1,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.32 : 4,890.48 = 795.14 : x
  2. Step 2: Convert to fraction form
    3,260.32/4,890.48 = 795.14/x
  3. Step 3: Cross multiply
    3,260.32x = 4,890.48 × 795.14
  4. Step 4: Simplify right side
    3,260.32x = 3,888,607.17
  5. Step 5: Solve for x
    x = 3,888,607.17/3,260.32
  6. Step 6: Final answer
    x = 1,192.71

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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.