Home / 3,601.29-5,401.41-1,261.13

Finding the Fourth Proportional to 3,601.29, 5,401.41 and 1,261.13

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Solution

The fourth proportional to 3,601.29, 5,401.41 and 1,261.13 is: 1,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.29 : 5,401.41 = 1,261.13 : x
  2. Step 2: Convert to fraction form
    3,601.29/5,401.41 = 1,261.13/x
  3. Step 3: Cross multiply
    3,601.29x = 5,401.41 × 1,261.13
  4. Step 4: Simplify right side
    3,601.29x = 6,811,880.19
  5. Step 5: Solve for x
    x = 6,811,880.19/3,601.29
  6. Step 6: Final answer
    x = 1,891.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.