Home / 3,278.43-4,525.08-2,020.52

Finding the Fourth Proportional to 3,278.43, 4,525.08 and 2,020.52

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Solution

The fourth proportional to 3,278.43, 4,525.08 and 2,020.52 is: 2,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.43 : 4,525.08 = 2,020.52 : x
  2. Step 2: Convert to fraction form
    3,278.43/4,525.08 = 2,020.52/x
  3. Step 3: Cross multiply
    3,278.43x = 4,525.08 × 2,020.52
  4. Step 4: Simplify right side
    3,278.43x = 9,143,014.50
  5. Step 5: Solve for x
    x = 9,143,014.50/3,278.43
  6. Step 6: Final answer
    x = 2,788.84

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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.