Home / 3,278.93-4,525.00-1,786.91

Finding the Fourth Proportional to 3,278.93, 4,525.00 and 1,786.91

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Solution

The fourth proportional to 3,278.93, 4,525.00 and 1,786.91 is: 2,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.93 : 4,525.00 = 1,786.91 : x
  2. Step 2: Convert to fraction form
    3,278.93/4,525.00 = 1,786.91/x
  3. Step 3: Cross multiply
    3,278.93x = 4,525.00 × 1,786.91
  4. Step 4: Simplify right side
    3,278.93x = 8,085,740.66
  5. Step 5: Solve for x
    x = 8,085,740.66/3,278.93
  6. Step 6: Final answer
    x = 2,465.97

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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.