Home / 1,335.72-2,003.60-1,029.56

Finding the Fourth Proportional to 1,335.72, 2,003.60 and 1,029.56

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Solution

The fourth proportional to 1,335.72, 2,003.60 and 1,029.56 is: 1,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.72 : 2,003.60 = 1,029.56 : x
  2. Step 2: Convert to fraction form
    1,335.72/2,003.60 = 1,029.56/x
  3. Step 3: Cross multiply
    1,335.72x = 2,003.60 × 1,029.56
  4. Step 4: Simplify right side
    1,335.72x = 2,062,826.42
  5. Step 5: Solve for x
    x = 2,062,826.42/1,335.72
  6. Step 6: Final answer
    x = 1,544.36

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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.