Home / 4,212.22-5,812.91-2,323.80

Finding the Fourth Proportional to 4,212.22, 5,812.91 and 2,323.80

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Solution

The fourth proportional to 4,212.22, 5,812.91 and 2,323.80 is: 3,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.22 : 5,812.91 = 2,323.80 : x
  2. Step 2: Convert to fraction form
    4,212.22/5,812.91 = 2,323.80/x
  3. Step 3: Cross multiply
    4,212.22x = 5,812.91 × 2,323.80
  4. Step 4: Simplify right side
    4,212.22x = 13,508,040.26
  5. Step 5: Solve for x
    x = 13,508,040.26/4,212.22
  6. Step 6: Final answer
    x = 3,206.87

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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.