Home / 2,918.75-4,027.19-1,659.51

Finding the Fourth Proportional to 2,918.75, 4,027.19 and 1,659.51

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Solution

The fourth proportional to 2,918.75, 4,027.19 and 1,659.51 is: 2,289.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.75 : 4,027.19 = 1,659.51 : x
  2. Step 2: Convert to fraction form
    2,918.75/4,027.19 = 1,659.51/x
  3. Step 3: Cross multiply
    2,918.75x = 4,027.19 × 1,659.51
  4. Step 4: Simplify right side
    2,918.75x = 6,683,153.78
  5. Step 5: Solve for x
    x = 6,683,153.78/2,918.75
  6. Step 6: Final answer
    x = 2,289.74

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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.