Home / 3,287.66-4,930.52-1,207.58

Finding the Fourth Proportional to 3,287.66, 4,930.52 and 1,207.58

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Solution

The fourth proportional to 3,287.66, 4,930.52 and 1,207.58 is: 1,811.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.66 : 4,930.52 = 1,207.58 : x
  2. Step 2: Convert to fraction form
    3,287.66/4,930.52 = 1,207.58/x
  3. Step 3: Cross multiply
    3,287.66x = 4,930.52 × 1,207.58
  4. Step 4: Simplify right side
    3,287.66x = 5,953,966.65
  5. Step 5: Solve for x
    x = 5,953,966.65/3,287.66
  6. Step 6: Final answer
    x = 1,811.01

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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.