Home / 1,037.37-1,555.82-343.87

Finding the Fourth Proportional to 1,037.37, 1,555.82 and 343.87

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Solution

The fourth proportional to 1,037.37, 1,555.82 and 343.87 is: 515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.37 : 1,555.82 = 343.87 : x
  2. Step 2: Convert to fraction form
    1,037.37/1,555.82 = 343.87/x
  3. Step 3: Cross multiply
    1,037.37x = 1,555.82 × 343.87
  4. Step 4: Simplify right side
    1,037.37x = 534,999.82
  5. Step 5: Solve for x
    x = 534,999.82/1,037.37
  6. Step 6: Final answer
    x = 515.73

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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.