Home / 3,712.16-5,124.96-2,316.80

Finding the Fourth Proportional to 3,712.16, 5,124.96 and 2,316.80

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Solution

The fourth proportional to 3,712.16, 5,124.96 and 2,316.80 is: 3,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.16 : 5,124.96 = 2,316.80 : x
  2. Step 2: Convert to fraction form
    3,712.16/5,124.96 = 2,316.80/x
  3. Step 3: Cross multiply
    3,712.16x = 5,124.96 × 2,316.80
  4. Step 4: Simplify right side
    3,712.16x = 11,873,507.33
  5. Step 5: Solve for x
    x = 11,873,507.33/3,712.16
  6. Step 6: Final answer
    x = 3,198.54

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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.