Home / 2,099.32-2,897.36-1,260.36

Finding the Fourth Proportional to 2,099.32, 2,897.36 and 1,260.36

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Solution

The fourth proportional to 2,099.32, 2,897.36 and 1,260.36 is: 1,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.32 : 2,897.36 = 1,260.36 : x
  2. Step 2: Convert to fraction form
    2,099.32/2,897.36 = 1,260.36/x
  3. Step 3: Cross multiply
    2,099.32x = 2,897.36 × 1,260.36
  4. Step 4: Simplify right side
    2,099.32x = 3,651,716.65
  5. Step 5: Solve for x
    x = 3,651,716.65/2,099.32
  6. Step 6: Final answer
    x = 1,739.48

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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.