Home / 2,405.22-3,319.73-1,522.20

Finding the Fourth Proportional to 2,405.22, 3,319.73 and 1,522.20

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Solution

The fourth proportional to 2,405.22, 3,319.73 and 1,522.20 is: 2,100.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.22 : 3,319.73 = 1,522.20 : x
  2. Step 2: Convert to fraction form
    2,405.22/3,319.73 = 1,522.20/x
  3. Step 3: Cross multiply
    2,405.22x = 3,319.73 × 1,522.20
  4. Step 4: Simplify right side
    2,405.22x = 5,053,285.40
  5. Step 5: Solve for x
    x = 5,053,285.40/2,405.22
  6. Step 6: Final answer
    x = 2,100.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.