Home / 4,127.79-5,696.31-2,239.33

Finding the Fourth Proportional to 4,127.79, 5,696.31 and 2,239.33

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Solution

The fourth proportional to 4,127.79, 5,696.31 and 2,239.33 is: 3,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.79 : 5,696.31 = 2,239.33 : x
  2. Step 2: Convert to fraction form
    4,127.79/5,696.31 = 2,239.33/x
  3. Step 3: Cross multiply
    4,127.79x = 5,696.31 × 2,239.33
  4. Step 4: Simplify right side
    4,127.79x = 12,755,917.87
  5. Step 5: Solve for x
    x = 12,755,917.87/4,127.79
  6. Step 6: Final answer
    x = 3,090.25

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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.