Home / 3,153.25-4,726.70-1,984.09

Finding the Fourth Proportional to 3,153.25, 4,726.70 and 1,984.09

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Solution

The fourth proportional to 3,153.25, 4,726.70 and 1,984.09 is: 2,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.25 : 4,726.70 = 1,984.09 : x
  2. Step 2: Convert to fraction form
    3,153.25/4,726.70 = 1,984.09/x
  3. Step 3: Cross multiply
    3,153.25x = 4,726.70 × 1,984.09
  4. Step 4: Simplify right side
    3,153.25x = 9,378,188.28
  5. Step 5: Solve for x
    x = 9,378,188.28/3,153.25
  6. Step 6: Final answer
    x = 2,974.13

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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.