Home / 3,630.30-5,441.85-1,679.10

Finding the Fourth Proportional to 3,630.30, 5,441.85 and 1,679.10

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Solution

The fourth proportional to 3,630.30, 5,441.85 and 1,679.10 is: 2,516.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.30 : 5,441.85 = 1,679.10 : x
  2. Step 2: Convert to fraction form
    3,630.30/5,441.85 = 1,679.10/x
  3. Step 3: Cross multiply
    3,630.30x = 5,441.85 × 1,679.10
  4. Step 4: Simplify right side
    3,630.30x = 9,137,410.34
  5. Step 5: Solve for x
    x = 9,137,410.34/3,630.30
  6. Step 6: Final answer
    x = 2,516.98

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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.