Home / 2,142.26-3,213.60-582.29

Finding the Fourth Proportional to 2,142.26, 3,213.60 and 582.29

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Solution

The fourth proportional to 2,142.26, 3,213.60 and 582.29 is: 873.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142.26 : 3,213.60 = 582.29 : x
  2. Step 2: Convert to fraction form
    2,142.26/3,213.60 = 582.29/x
  3. Step 3: Cross multiply
    2,142.26x = 3,213.60 × 582.29
  4. Step 4: Simplify right side
    2,142.26x = 1,871,247.14
  5. Step 5: Solve for x
    x = 1,871,247.14/2,142.26
  6. Step 6: Final answer
    x = 873.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.