Home / 3,054.29-4,214.84-1,691.51

Finding the Fourth Proportional to 3,054.29, 4,214.84 and 1,691.51

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Solution

The fourth proportional to 3,054.29, 4,214.84 and 1,691.51 is: 2,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.29 : 4,214.84 = 1,691.51 : x
  2. Step 2: Convert to fraction form
    3,054.29/4,214.84 = 1,691.51/x
  3. Step 3: Cross multiply
    3,054.29x = 4,214.84 × 1,691.51
  4. Step 4: Simplify right side
    3,054.29x = 7,129,414.48
  5. Step 5: Solve for x
    x = 7,129,414.48/3,054.29
  6. Step 6: Final answer
    x = 2,334.23

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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.