Home / 2,136.48-3,189.42-2,041.92

Finding the Fourth Proportional to 2,136.48, 3,189.42 and 2,041.92

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Solution

The fourth proportional to 2,136.48, 3,189.42 and 2,041.92 is: 3,048.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.48 : 3,189.42 = 2,041.92 : x
  2. Step 2: Convert to fraction form
    2,136.48/3,189.42 = 2,041.92/x
  3. Step 3: Cross multiply
    2,136.48x = 3,189.42 × 2,041.92
  4. Step 4: Simplify right side
    2,136.48x = 6,512,540.49
  5. Step 5: Solve for x
    x = 6,512,540.49/2,136.48
  6. Step 6: Final answer
    x = 3,048.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.