Home / 1,760.96-2,643.37-1,297.31

Finding the Fourth Proportional to 1,760.96, 2,643.37 and 1,297.31

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Solution

The fourth proportional to 1,760.96, 2,643.37 and 1,297.31 is: 1,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.96 : 2,643.37 = 1,297.31 : x
  2. Step 2: Convert to fraction form
    1,760.96/2,643.37 = 1,297.31/x
  3. Step 3: Cross multiply
    1,760.96x = 2,643.37 × 1,297.31
  4. Step 4: Simplify right side
    1,760.96x = 3,429,253.87
  5. Step 5: Solve for x
    x = 3,429,253.87/1,760.96
  6. Step 6: Final answer
    x = 1,947.37

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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.