Home / 3,630.36-5,433.66-2,399.16

Finding the Fourth Proportional to 3,630.36, 5,433.66 and 2,399.16

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Solution

The fourth proportional to 3,630.36, 5,433.66 and 2,399.16 is: 3,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.36 : 5,433.66 = 2,399.16 : x
  2. Step 2: Convert to fraction form
    3,630.36/5,433.66 = 2,399.16/x
  3. Step 3: Cross multiply
    3,630.36x = 5,433.66 × 2,399.16
  4. Step 4: Simplify right side
    3,630.36x = 13,036,219.73
  5. Step 5: Solve for x
    x = 13,036,219.73/3,630.36
  6. Step 6: Final answer
    x = 3,590.89

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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.