Home / 1,789.36-2,685.26-1,775.59

Finding the Fourth Proportional to 1,789.36, 2,685.26 and 1,775.59

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Solution

The fourth proportional to 1,789.36, 2,685.26 and 1,775.59 is: 2,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.36 : 2,685.26 = 1,775.59 : x
  2. Step 2: Convert to fraction form
    1,789.36/2,685.26 = 1,775.59/x
  3. Step 3: Cross multiply
    1,789.36x = 2,685.26 × 1,775.59
  4. Step 4: Simplify right side
    1,789.36x = 4,767,920.80
  5. Step 5: Solve for x
    x = 4,767,920.80/1,789.36
  6. Step 6: Final answer
    x = 2,664.60

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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.