Home / 3,278.82-4,525.24-1,862.86

Finding the Fourth Proportional to 3,278.82, 4,525.24 and 1,862.86

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Solution

The fourth proportional to 3,278.82, 4,525.24 and 1,862.86 is: 2,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.82 : 4,525.24 = 1,862.86 : x
  2. Step 2: Convert to fraction form
    3,278.82/4,525.24 = 1,862.86/x
  3. Step 3: Cross multiply
    3,278.82x = 4,525.24 × 1,862.86
  4. Step 4: Simplify right side
    3,278.82x = 8,429,888.59
  5. Step 5: Solve for x
    x = 8,429,888.59/3,278.82
  6. Step 6: Final answer
    x = 2,571.01

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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.