Home / 1,043.22-1,431.69-944.76

Finding the Fourth Proportional to 1,043.22, 1,431.69 and 944.76

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Solution

The fourth proportional to 1,043.22, 1,431.69 and 944.76 is: 1,296.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.22 : 1,431.69 = 944.76 : x
  2. Step 2: Convert to fraction form
    1,043.22/1,431.69 = 944.76/x
  3. Step 3: Cross multiply
    1,043.22x = 1,431.69 × 944.76
  4. Step 4: Simplify right side
    1,043.22x = 1,352,603.44
  5. Step 5: Solve for x
    x = 1,352,603.44/1,043.22
  6. Step 6: Final answer
    x = 1,296.57

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.