Home / 2,026.26-3,037.32-931.44

Finding the Fourth Proportional to 2,026.26, 3,037.32 and 931.44

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Solution

The fourth proportional to 2,026.26, 3,037.32 and 931.44 is: 1,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.26 : 3,037.32 = 931.44 : x
  2. Step 2: Convert to fraction form
    2,026.26/3,037.32 = 931.44/x
  3. Step 3: Cross multiply
    2,026.26x = 3,037.32 × 931.44
  4. Step 4: Simplify right side
    2,026.26x = 2,829,081.34
  5. Step 5: Solve for x
    x = 2,829,081.34/2,026.26
  6. Step 6: Final answer
    x = 1,396.21

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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.