Home / 2,281.22-3,419.36-1,490.83

Finding the Fourth Proportional to 2,281.22, 3,419.36 and 1,490.83

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Solution

The fourth proportional to 2,281.22, 3,419.36 and 1,490.83 is: 2,234.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.22 : 3,419.36 = 1,490.83 : x
  2. Step 2: Convert to fraction form
    2,281.22/3,419.36 = 1,490.83/x
  3. Step 3: Cross multiply
    2,281.22x = 3,419.36 × 1,490.83
  4. Step 4: Simplify right side
    2,281.22x = 5,097,684.47
  5. Step 5: Solve for x
    x = 5,097,684.47/2,281.22
  6. Step 6: Final answer
    x = 2,234.63

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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.