Home / 3,614.36-4,986.68-2,122.34

Finding the Fourth Proportional to 3,614.36, 4,986.68 and 2,122.34

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Solution

The fourth proportional to 3,614.36, 4,986.68 and 2,122.34 is: 2,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.36 : 4,986.68 = 2,122.34 : x
  2. Step 2: Convert to fraction form
    3,614.36/4,986.68 = 2,122.34/x
  3. Step 3: Cross multiply
    3,614.36x = 4,986.68 × 2,122.34
  4. Step 4: Simplify right side
    3,614.36x = 10,583,430.43
  5. Step 5: Solve for x
    x = 10,583,430.43/3,614.36
  6. Step 6: Final answer
    x = 2,928.16

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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.