Home / 3,356.92-5,031.73-1,406.86

Finding the Fourth Proportional to 3,356.92, 5,031.73 and 1,406.86

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Solution

The fourth proportional to 3,356.92, 5,031.73 and 1,406.86 is: 2,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.92 : 5,031.73 = 1,406.86 : x
  2. Step 2: Convert to fraction form
    3,356.92/5,031.73 = 1,406.86/x
  3. Step 3: Cross multiply
    3,356.92x = 5,031.73 × 1,406.86
  4. Step 4: Simplify right side
    3,356.92x = 7,078,939.67
  5. Step 5: Solve for x
    x = 7,078,939.67/3,356.92
  6. Step 6: Final answer
    x = 2,108.76

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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.