Home / 3,299.77-4,553.68-1,807.78

Finding the Fourth Proportional to 3,299.77, 4,553.68 and 1,807.78

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Solution

The fourth proportional to 3,299.77, 4,553.68 and 1,807.78 is: 2,494.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.77 : 4,553.68 = 1,807.78 : x
  2. Step 2: Convert to fraction form
    3,299.77/4,553.68 = 1,807.78/x
  3. Step 3: Cross multiply
    3,299.77x = 4,553.68 × 1,807.78
  4. Step 4: Simplify right side
    3,299.77x = 8,232,051.63
  5. Step 5: Solve for x
    x = 8,232,051.63/3,299.77
  6. Step 6: Final answer
    x = 2,494.73

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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.