Home / 1,659.37-2,289.87-913.26

Finding the Fourth Proportional to 1,659.37, 2,289.87 and 913.26

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Solution

The fourth proportional to 1,659.37, 2,289.87 and 913.26 is: 1,260.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659.37 : 2,289.87 = 913.26 : x
  2. Step 2: Convert to fraction form
    1,659.37/2,289.87 = 913.26/x
  3. Step 3: Cross multiply
    1,659.37x = 2,289.87 × 913.26
  4. Step 4: Simplify right side
    1,659.37x = 2,091,246.68
  5. Step 5: Solve for x
    x = 2,091,246.68/1,659.37
  6. Step 6: Final answer
    x = 1,260.27

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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.