Home / 3,614.14-4,987.49-1,958.14

Finding the Fourth Proportional to 3,614.14, 4,987.49 and 1,958.14

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Solution

The fourth proportional to 3,614.14, 4,987.49 and 1,958.14 is: 2,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.14 : 4,987.49 = 1,958.14 : x
  2. Step 2: Convert to fraction form
    3,614.14/4,987.49 = 1,958.14/x
  3. Step 3: Cross multiply
    3,614.14x = 4,987.49 × 1,958.14
  4. Step 4: Simplify right side
    3,614.14x = 9,766,203.67
  5. Step 5: Solve for x
    x = 9,766,203.67/3,614.14
  6. Step 6: Final answer
    x = 2,702.22

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1.5x scale

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.