Home / 3,398.49-4,687.74-2,217.51

Finding the Fourth Proportional to 3,398.49, 4,687.74 and 2,217.51

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Solution

The fourth proportional to 3,398.49, 4,687.74 and 2,217.51 is: 3,058.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.49 : 4,687.74 = 2,217.51 : x
  2. Step 2: Convert to fraction form
    3,398.49/4,687.74 = 2,217.51/x
  3. Step 3: Cross multiply
    3,398.49x = 4,687.74 × 2,217.51
  4. Step 4: Simplify right side
    3,398.49x = 10,395,110.33
  5. Step 5: Solve for x
    x = 10,395,110.33/3,398.49
  6. Step 6: Final answer
    x = 3,058.74

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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.