Home / 2,099.36-3,150.26-1,162.40

Finding the Fourth Proportional to 2,099.36, 3,150.26 and 1,162.40

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Solution

The fourth proportional to 2,099.36, 3,150.26 and 1,162.40 is: 1,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.36 : 3,150.26 = 1,162.40 : x
  2. Step 2: Convert to fraction form
    2,099.36/3,150.26 = 1,162.40/x
  3. Step 3: Cross multiply
    2,099.36x = 3,150.26 × 1,162.40
  4. Step 4: Simplify right side
    2,099.36x = 3,661,862.22
  5. Step 5: Solve for x
    x = 3,661,862.22/2,099.36
  6. Step 6: Final answer
    x = 1,744.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.