Home / 3,282.31-4,529.38-1,790.16

Finding the Fourth Proportional to 3,282.31, 4,529.38 and 1,790.16

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Solution

The fourth proportional to 3,282.31, 4,529.38 and 1,790.16 is: 2,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.31 : 4,529.38 = 1,790.16 : x
  2. Step 2: Convert to fraction form
    3,282.31/4,529.38 = 1,790.16/x
  3. Step 3: Cross multiply
    3,282.31x = 4,529.38 × 1,790.16
  4. Step 4: Simplify right side
    3,282.31x = 8,108,314.90
  5. Step 5: Solve for x
    x = 8,108,314.90/3,282.31
  6. Step 6: Final answer
    x = 2,470.31

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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.