Home / 3,286.65-4,930.02-1,095.39

Finding the Fourth Proportional to 3,286.65, 4,930.02 and 1,095.39

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Solution

The fourth proportional to 3,286.65, 4,930.02 and 1,095.39 is: 1,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.65 : 4,930.02 = 1,095.39 : x
  2. Step 2: Convert to fraction form
    3,286.65/4,930.02 = 1,095.39/x
  3. Step 3: Cross multiply
    3,286.65x = 4,930.02 × 1,095.39
  4. Step 4: Simplify right side
    3,286.65x = 5,400,294.61
  5. Step 5: Solve for x
    x = 5,400,294.61/3,286.65
  6. Step 6: Final answer
    x = 1,643.10

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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.