Home / 2,291.22-3,437.94-1,251.18

Finding the Fourth Proportional to 2,291.22, 3,437.94 and 1,251.18

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Solution

The fourth proportional to 2,291.22, 3,437.94 and 1,251.18 is: 1,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.22 : 3,437.94 = 1,251.18 : x
  2. Step 2: Convert to fraction form
    2,291.22/3,437.94 = 1,251.18/x
  3. Step 3: Cross multiply
    2,291.22x = 3,437.94 × 1,251.18
  4. Step 4: Simplify right side
    2,291.22x = 4,301,481.77
  5. Step 5: Solve for x
    x = 4,301,481.77/2,291.22
  6. Step 6: Final answer
    x = 1,877.38

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1.5x scale

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.