Home / 3,451.80-4,765.83-2,653.72

Finding the Fourth Proportional to 3,451.80, 4,765.83 and 2,653.72

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Solution

The fourth proportional to 3,451.80, 4,765.83 and 2,653.72 is: 3,663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.80 : 4,765.83 = 2,653.72 : x
  2. Step 2: Convert to fraction form
    3,451.80/4,765.83 = 2,653.72/x
  3. Step 3: Cross multiply
    3,451.80x = 4,765.83 × 2,653.72
  4. Step 4: Simplify right side
    3,451.80x = 12,647,168.48
  5. Step 5: Solve for x
    x = 12,647,168.48/3,451.80
  6. Step 6: Final answer
    x = 3,663.93

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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.