Home / 2,004.24-2,991.90-1,914.39

Finding the Fourth Proportional to 2,004.24, 2,991.90 and 1,914.39

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Solution

The fourth proportional to 2,004.24, 2,991.90 and 1,914.39 is: 2,857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.24 : 2,991.90 = 1,914.39 : x
  2. Step 2: Convert to fraction form
    2,004.24/2,991.90 = 1,914.39/x
  3. Step 3: Cross multiply
    2,004.24x = 2,991.90 × 1,914.39
  4. Step 4: Simplify right side
    2,004.24x = 5,727,663.44
  5. Step 5: Solve for x
    x = 5,727,663.44/2,004.24
  6. Step 6: Final answer
    x = 2,857.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.