Home / 1,759.35-2,426.31-1,579.80

Finding the Fourth Proportional to 1,759.35, 2,426.31 and 1,579.80

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Solution

The fourth proportional to 1,759.35, 2,426.31 and 1,579.80 is: 2,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.35 : 2,426.31 = 1,579.80 : x
  2. Step 2: Convert to fraction form
    1,759.35/2,426.31 = 1,579.80/x
  3. Step 3: Cross multiply
    1,759.35x = 2,426.31 × 1,579.80
  4. Step 4: Simplify right side
    1,759.35x = 3,833,084.54
  5. Step 5: Solve for x
    x = 3,833,084.54/1,759.35
  6. Step 6: Final answer
    x = 2,178.69

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1.5x scale

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.