Home / 1,557.87-2,336.82-733.80

Finding the Fourth Proportional to 1,557.87, 2,336.82 and 733.80

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Solution

The fourth proportional to 1,557.87, 2,336.82 and 733.80 is: 1,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.87 : 2,336.82 = 733.80 : x
  2. Step 2: Convert to fraction form
    1,557.87/2,336.82 = 733.80/x
  3. Step 3: Cross multiply
    1,557.87x = 2,336.82 × 733.80
  4. Step 4: Simplify right side
    1,557.87x = 1,714,758.52
  5. Step 5: Solve for x
    x = 1,714,758.52/1,557.87
  6. Step 6: Final answer
    x = 1,100.71

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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.