Home / 3,580.16-5,369.51-1,631.90

Finding the Fourth Proportional to 3,580.16, 5,369.51 and 1,631.90

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Solution

The fourth proportional to 3,580.16, 5,369.51 and 1,631.90 is: 2,447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.16 : 5,369.51 = 1,631.90 : x
  2. Step 2: Convert to fraction form
    3,580.16/5,369.51 = 1,631.90/x
  3. Step 3: Cross multiply
    3,580.16x = 5,369.51 × 1,631.90
  4. Step 4: Simplify right side
    3,580.16x = 8,762,468.36
  5. Step 5: Solve for x
    x = 8,762,468.36/3,580.16
  6. Step 6: Final answer
    x = 2,447.51

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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.