Home / 1,921.26-2,875.91-1,759.74

Finding the Fourth Proportional to 1,921.26, 2,875.91 and 1,759.74

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Solution

The fourth proportional to 1,921.26, 2,875.91 and 1,759.74 is: 2,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921.26 : 2,875.91 = 1,759.74 : x
  2. Step 2: Convert to fraction form
    1,921.26/2,875.91 = 1,759.74/x
  3. Step 3: Cross multiply
    1,921.26x = 2,875.91 × 1,759.74
  4. Step 4: Simplify right side
    1,921.26x = 5,060,853.86
  5. Step 5: Solve for x
    x = 5,060,853.86/1,921.26
  6. Step 6: Final answer
    x = 2,634.13

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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.