Home / 3,682.89-5,525.55-1,490.43

Finding the Fourth Proportional to 3,682.89, 5,525.55 and 1,490.43

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Solution

The fourth proportional to 3,682.89, 5,525.55 and 1,490.43 is: 2,236.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.89 : 5,525.55 = 1,490.43 : x
  2. Step 2: Convert to fraction form
    3,682.89/5,525.55 = 1,490.43/x
  3. Step 3: Cross multiply
    3,682.89x = 5,525.55 × 1,490.43
  4. Step 4: Simplify right side
    3,682.89x = 8,235,445.49
  5. Step 5: Solve for x
    x = 8,235,445.49/3,682.89
  6. Step 6: Final answer
    x = 2,236.14

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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.