Home / 3,437.22-5,157.71-1,489.58

Finding the Fourth Proportional to 3,437.22, 5,157.71 and 1,489.58

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Solution

The fourth proportional to 3,437.22, 5,157.71 and 1,489.58 is: 2,235.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.22 : 5,157.71 = 1,489.58 : x
  2. Step 2: Convert to fraction form
    3,437.22/5,157.71 = 1,489.58/x
  3. Step 3: Cross multiply
    3,437.22x = 5,157.71 × 1,489.58
  4. Step 4: Simplify right side
    3,437.22x = 7,682,788.43
  5. Step 5: Solve for x
    x = 7,682,788.43/3,437.22
  6. Step 6: Final answer
    x = 2,235.18

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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.