Home / 3,995.09-5,513.13-2,316.79

Finding the Fourth Proportional to 3,995.09, 5,513.13 and 2,316.79

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Solution

The fourth proportional to 3,995.09, 5,513.13 and 2,316.79 is: 3,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.09 : 5,513.13 = 2,316.79 : x
  2. Step 2: Convert to fraction form
    3,995.09/5,513.13 = 2,316.79/x
  3. Step 3: Cross multiply
    3,995.09x = 5,513.13 × 2,316.79
  4. Step 4: Simplify right side
    3,995.09x = 12,772,764.45
  5. Step 5: Solve for x
    x = 12,772,764.45/3,995.09
  6. Step 6: Final answer
    x = 3,197.12

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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.