Home / 3,614.02-4,987.39-2,122.42

Finding the Fourth Proportional to 3,614.02, 4,987.39 and 2,122.42

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Solution

The fourth proportional to 3,614.02, 4,987.39 and 2,122.42 is: 2,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.02 : 4,987.39 = 2,122.42 : x
  2. Step 2: Convert to fraction form
    3,614.02/4,987.39 = 2,122.42/x
  3. Step 3: Cross multiply
    3,614.02x = 4,987.39 × 2,122.42
  4. Step 4: Simplify right side
    3,614.02x = 10,585,331.84
  5. Step 5: Solve for x
    x = 10,585,331.84/3,614.02
  6. Step 6: Final answer
    x = 2,928.96

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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.