Home / 3,995.51-5,513.99-2,317.43

Finding the Fourth Proportional to 3,995.51, 5,513.99 and 2,317.43

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Solution

The fourth proportional to 3,995.51, 5,513.99 and 2,317.43 is: 3,198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.51 : 5,513.99 = 2,317.43 : x
  2. Step 2: Convert to fraction form
    3,995.51/5,513.99 = 2,317.43/x
  3. Step 3: Cross multiply
    3,995.51x = 5,513.99 × 2,317.43
  4. Step 4: Simplify right side
    3,995.51x = 12,778,288.04
  5. Step 5: Solve for x
    x = 12,778,288.04/3,995.51
  6. Step 6: Final answer
    x = 3,198.17

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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.