Home / 2,099.64-2,896.76-1,260.60

Finding the Fourth Proportional to 2,099.64, 2,896.76 and 1,260.60

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Solution

The fourth proportional to 2,099.64, 2,896.76 and 1,260.60 is: 1,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.64 : 2,896.76 = 1,260.60 : x
  2. Step 2: Convert to fraction form
    2,099.64/2,896.76 = 1,260.60/x
  3. Step 3: Cross multiply
    2,099.64x = 2,896.76 × 1,260.60
  4. Step 4: Simplify right side
    2,099.64x = 3,651,655.66
  5. Step 5: Solve for x
    x = 3,651,655.66/2,099.64
  6. Step 6: Final answer
    x = 1,739.18

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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.