Home / 3,601.62-5,401.35-1,521.21

Finding the Fourth Proportional to 3,601.62, 5,401.35 and 1,521.21

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Solution

The fourth proportional to 3,601.62, 5,401.35 and 1,521.21 is: 2,281.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.62 : 5,401.35 = 1,521.21 : x
  2. Step 2: Convert to fraction form
    3,601.62/5,401.35 = 1,521.21/x
  3. Step 3: Cross multiply
    3,601.62x = 5,401.35 × 1,521.21
  4. Step 4: Simplify right side
    3,601.62x = 8,216,587.63
  5. Step 5: Solve for x
    x = 8,216,587.63/3,601.62
  6. Step 6: Final answer
    x = 2,281.36

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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.