Home / 3,433.16-5,142.87-1,581.74

Finding the Fourth Proportional to 3,433.16, 5,142.87 and 1,581.74

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Solution

The fourth proportional to 3,433.16, 5,142.87 and 1,581.74 is: 2,369.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.16 : 5,142.87 = 1,581.74 : x
  2. Step 2: Convert to fraction form
    3,433.16/5,142.87 = 1,581.74/x
  3. Step 3: Cross multiply
    3,433.16x = 5,142.87 × 1,581.74
  4. Step 4: Simplify right side
    3,433.16x = 8,134,683.19
  5. Step 5: Solve for x
    x = 8,134,683.19/3,433.16
  6. Step 6: Final answer
    x = 2,369.44

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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.