Home / 3,282.57-4,530.05-1,790.55

Finding the Fourth Proportional to 3,282.57, 4,530.05 and 1,790.55

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Solution

The fourth proportional to 3,282.57, 4,530.05 and 1,790.55 is: 2,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.57 : 4,530.05 = 1,790.55 : x
  2. Step 2: Convert to fraction form
    3,282.57/4,530.05 = 1,790.55/x
  3. Step 3: Cross multiply
    3,282.57x = 4,530.05 × 1,790.55
  4. Step 4: Simplify right side
    3,282.57x = 8,111,272.07
  5. Step 5: Solve for x
    x = 8,111,272.07/3,282.57
  6. Step 6: Final answer
    x = 2,471.01

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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.