Home / 1,999.24-2,756.91-1,501.09

Finding the Fourth Proportional to 1,999.24, 2,756.91 and 1,501.09

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Solution

The fourth proportional to 1,999.24, 2,756.91 and 1,501.09 is: 2,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999.24 : 2,756.91 = 1,501.09 : x
  2. Step 2: Convert to fraction form
    1,999.24/2,756.91 = 1,501.09/x
  3. Step 3: Cross multiply
    1,999.24x = 2,756.91 × 1,501.09
  4. Step 4: Simplify right side
    1,999.24x = 4,138,370.03
  5. Step 5: Solve for x
    x = 4,138,370.03/1,999.24
  6. Step 6: Final answer
    x = 2,069.97

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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.