Home / 3,614.37-4,987.77-2,020.95

Finding the Fourth Proportional to 3,614.37, 4,987.77 and 2,020.95

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Solution

The fourth proportional to 3,614.37, 4,987.77 and 2,020.95 is: 2,788.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.37 : 4,987.77 = 2,020.95 : x
  2. Step 2: Convert to fraction form
    3,614.37/4,987.77 = 2,020.95/x
  3. Step 3: Cross multiply
    3,614.37x = 4,987.77 × 2,020.95
  4. Step 4: Simplify right side
    3,614.37x = 10,080,033.78
  5. Step 5: Solve for x
    x = 10,080,033.78/3,614.37
  6. Step 6: Final answer
    x = 2,788.88

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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.