Home / 3,282.36-4,529.40-1,790.19

Finding the Fourth Proportional to 3,282.36, 4,529.40 and 1,790.19

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Solution

The fourth proportional to 3,282.36, 4,529.40 and 1,790.19 is: 2,470.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.36 : 4,529.40 = 1,790.19 : x
  2. Step 2: Convert to fraction form
    3,282.36/4,529.40 = 1,790.19/x
  3. Step 3: Cross multiply
    3,282.36x = 4,529.40 × 1,790.19
  4. Step 4: Simplify right side
    3,282.36x = 8,108,486.59
  5. Step 5: Solve for x
    x = 8,108,486.59/3,282.36
  6. Step 6: Final answer
    x = 2,470.32

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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.