Home / 1,359.02-2,037.36-628.22

Finding the Fourth Proportional to 1,359.02, 2,037.36 and 628.22

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Solution

The fourth proportional to 1,359.02, 2,037.36 and 628.22 is: 941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359.02 : 2,037.36 = 628.22 : x
  2. Step 2: Convert to fraction form
    1,359.02/2,037.36 = 628.22/x
  3. Step 3: Cross multiply
    1,359.02x = 2,037.36 × 628.22
  4. Step 4: Simplify right side
    1,359.02x = 1,279,910.30
  5. Step 5: Solve for x
    x = 1,279,910.30/1,359.02
  6. Step 6: Final answer
    x = 941.79

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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.