Home / 3,684.21-5,521.44-1,490.34

Finding the Fourth Proportional to 3,684.21, 5,521.44 and 1,490.34

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Solution

The fourth proportional to 3,684.21, 5,521.44 and 1,490.34 is: 2,233.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.21 : 5,521.44 = 1,490.34 : x
  2. Step 2: Convert to fraction form
    3,684.21/5,521.44 = 1,490.34/x
  3. Step 3: Cross multiply
    3,684.21x = 5,521.44 × 1,490.34
  4. Step 4: Simplify right side
    3,684.21x = 8,228,822.89
  5. Step 5: Solve for x
    x = 8,228,822.89/3,684.21
  6. Step 6: Final answer
    x = 2,233.54

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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.