Home / 1,759.62-2,426.65-1,129.54

Finding the Fourth Proportional to 1,759.62, 2,426.65 and 1,129.54

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Solution

The fourth proportional to 1,759.62, 2,426.65 and 1,129.54 is: 1,557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.62 : 2,426.65 = 1,129.54 : x
  2. Step 2: Convert to fraction form
    1,759.62/2,426.65 = 1,129.54/x
  3. Step 3: Cross multiply
    1,759.62x = 2,426.65 × 1,129.54
  4. Step 4: Simplify right side
    1,759.62x = 2,740,998.24
  5. Step 5: Solve for x
    x = 2,740,998.24/1,759.62
  6. Step 6: Final answer
    x = 1,557.72

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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.