Home / 3,614.01-4,987.37-2,121.95

Finding the Fourth Proportional to 3,614.01, 4,987.37 and 2,121.95

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Solution

The fourth proportional to 3,614.01, 4,987.37 and 2,121.95 is: 2,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.01 : 4,987.37 = 2,121.95 : x
  2. Step 2: Convert to fraction form
    3,614.01/4,987.37 = 2,121.95/x
  3. Step 3: Cross multiply
    3,614.01x = 4,987.37 × 2,121.95
  4. Step 4: Simplify right side
    3,614.01x = 10,582,930.14
  5. Step 5: Solve for x
    x = 10,582,930.14/3,614.01
  6. Step 6: Final answer
    x = 2,928.31

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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.