Home / 2,147.35-2,962.41-1,296.95

Finding the Fourth Proportional to 2,147.35, 2,962.41 and 1,296.95

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Solution

The fourth proportional to 2,147.35, 2,962.41 and 1,296.95 is: 1,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.35 : 2,962.41 = 1,296.95 : x
  2. Step 2: Convert to fraction form
    2,147.35/2,962.41 = 1,296.95/x
  3. Step 3: Cross multiply
    2,147.35x = 2,962.41 × 1,296.95
  4. Step 4: Simplify right side
    2,147.35x = 3,842,097.65
  5. Step 5: Solve for x
    x = 3,842,097.65/2,147.35
  6. Step 6: Final answer
    x = 1,789.23

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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.