Home / 2,998.09-4,137.91-2,288.83

Finding the Fourth Proportional to 2,998.09, 4,137.91 and 2,288.83

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Solution

The fourth proportional to 2,998.09, 4,137.91 and 2,288.83 is: 3,159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.09 : 4,137.91 = 2,288.83 : x
  2. Step 2: Convert to fraction form
    2,998.09/4,137.91 = 2,288.83/x
  3. Step 3: Cross multiply
    2,998.09x = 4,137.91 × 2,288.83
  4. Step 4: Simplify right side
    2,998.09x = 9,470,972.55
  5. Step 5: Solve for x
    x = 9,470,972.55/2,998.09
  6. Step 6: Final answer
    x = 3,159.00

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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.