Home / 3,654.87-5,504.77-3,398.21

Finding the Fourth Proportional to 3,654.87, 5,504.77 and 3,398.21

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Solution

The fourth proportional to 3,654.87, 5,504.77 and 3,398.21 is: 5,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.87 : 5,504.77 = 3,398.21 : x
  2. Step 2: Convert to fraction form
    3,654.87/5,504.77 = 3,398.21/x
  3. Step 3: Cross multiply
    3,654.87x = 5,504.77 × 3,398.21
  4. Step 4: Simplify right side
    3,654.87x = 18,706,364.46
  5. Step 5: Solve for x
    x = 18,706,364.46/3,654.87
  6. Step 6: Final answer
    x = 5,118.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.