Home / 1,028.30-1,419.05-944.63

Finding the Fourth Proportional to 1,028.30, 1,419.05 and 944.63

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Solution

The fourth proportional to 1,028.30, 1,419.05 and 944.63 is: 1,303.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028.30 : 1,419.05 = 944.63 : x
  2. Step 2: Convert to fraction form
    1,028.30/1,419.05 = 944.63/x
  3. Step 3: Cross multiply
    1,028.30x = 1,419.05 × 944.63
  4. Step 4: Simplify right side
    1,028.30x = 1,340,472.47
  5. Step 5: Solve for x
    x = 1,340,472.47/1,028.30
  6. Step 6: Final answer
    x = 1,303.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.