Home / 3,305.86-4,562.14-1,979.62

Finding the Fourth Proportional to 3,305.86, 4,562.14 and 1,979.62

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Solution

The fourth proportional to 3,305.86, 4,562.14 and 1,979.62 is: 2,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.86 : 4,562.14 = 1,979.62 : x
  2. Step 2: Convert to fraction form
    3,305.86/4,562.14 = 1,979.62/x
  3. Step 3: Cross multiply
    3,305.86x = 4,562.14 × 1,979.62
  4. Step 4: Simplify right side
    3,305.86x = 9,031,303.59
  5. Step 5: Solve for x
    x = 9,031,303.59/3,305.86
  6. Step 6: Final answer
    x = 2,731.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.