Home / 3,403.11-5,105.76-1,670.52

Finding the Fourth Proportional to 3,403.11, 5,105.76 and 1,670.52

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Solution

The fourth proportional to 3,403.11, 5,105.76 and 1,670.52 is: 2,506.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.11 : 5,105.76 = 1,670.52 : x
  2. Step 2: Convert to fraction form
    3,403.11/5,105.76 = 1,670.52/x
  3. Step 3: Cross multiply
    3,403.11x = 5,105.76 × 1,670.52
  4. Step 4: Simplify right side
    3,403.11x = 8,529,274.20
  5. Step 5: Solve for x
    x = 8,529,274.20/3,403.11
  6. Step 6: Final answer
    x = 2,506.32

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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.