Home / 3,918.37-5,410.02-2,910.33

Finding the Fourth Proportional to 3,918.37, 5,410.02 and 2,910.33

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Solution

The fourth proportional to 3,918.37, 5,410.02 and 2,910.33 is: 4,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.37 : 5,410.02 = 2,910.33 : x
  2. Step 2: Convert to fraction form
    3,918.37/5,410.02 = 2,910.33/x
  3. Step 3: Cross multiply
    3,918.37x = 5,410.02 × 2,910.33
  4. Step 4: Simplify right side
    3,918.37x = 15,744,943.51
  5. Step 5: Solve for x
    x = 15,744,943.51/3,918.37
  6. Step 6: Final answer
    x = 4,018.24

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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.