Home / 3,694.80-5,098.89-2,899.07

Finding the Fourth Proportional to 3,694.80, 5,098.89 and 2,899.07

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Solution

The fourth proportional to 3,694.80, 5,098.89 and 2,899.07 is: 4,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.80 : 5,098.89 = 2,899.07 : x
  2. Step 2: Convert to fraction form
    3,694.80/5,098.89 = 2,899.07/x
  3. Step 3: Cross multiply
    3,694.80x = 5,098.89 × 2,899.07
  4. Step 4: Simplify right side
    3,694.80x = 14,782,051.78
  5. Step 5: Solve for x
    x = 14,782,051.78/3,694.80
  6. Step 6: Final answer
    x = 4,000.78

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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.