Home / 1,571.74-2,357.82-531.83

Finding the Fourth Proportional to 1,571.74, 2,357.82 and 531.83

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Solution

The fourth proportional to 1,571.74, 2,357.82 and 531.83 is: 797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.74 : 2,357.82 = 531.83 : x
  2. Step 2: Convert to fraction form
    1,571.74/2,357.82 = 531.83/x
  3. Step 3: Cross multiply
    1,571.74x = 2,357.82 × 531.83
  4. Step 4: Simplify right side
    1,571.74x = 1,253,965.31
  5. Step 5: Solve for x
    x = 1,253,965.31/1,571.74
  6. Step 6: Final answer
    x = 797.82

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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.