Home / 3,201.46-4,417.92-1,804.18

Finding the Fourth Proportional to 3,201.46, 4,417.92 and 1,804.18

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Solution

The fourth proportional to 3,201.46, 4,417.92 and 1,804.18 is: 2,489.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.46 : 4,417.92 = 1,804.18 : x
  2. Step 2: Convert to fraction form
    3,201.46/4,417.92 = 1,804.18/x
  3. Step 3: Cross multiply
    3,201.46x = 4,417.92 × 1,804.18
  4. Step 4: Simplify right side
    3,201.46x = 7,970,722.91
  5. Step 5: Solve for x
    x = 7,970,722.91/3,201.46
  6. Step 6: Final answer
    x = 2,489.71

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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.