Home / 3,348.20-5,025.90-1,890.20

Finding the Fourth Proportional to 3,348.20, 5,025.90 and 1,890.20

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Solution

The fourth proportional to 3,348.20, 5,025.90 and 1,890.20 is: 2,837.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.20 : 5,025.90 = 1,890.20 : x
  2. Step 2: Convert to fraction form
    3,348.20/5,025.90 = 1,890.20/x
  3. Step 3: Cross multiply
    3,348.20x = 5,025.90 × 1,890.20
  4. Step 4: Simplify right side
    3,348.20x = 9,499,956.18
  5. Step 5: Solve for x
    x = 9,499,956.18/3,348.20
  6. Step 6: Final answer
    x = 2,837.33

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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.