Home / 2,254.66-3,378.45-1,906.36

Finding the Fourth Proportional to 2,254.66, 3,378.45 and 1,906.36

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Solution

The fourth proportional to 2,254.66, 3,378.45 and 1,906.36 is: 2,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.66 : 3,378.45 = 1,906.36 : x
  2. Step 2: Convert to fraction form
    2,254.66/3,378.45 = 1,906.36/x
  3. Step 3: Cross multiply
    2,254.66x = 3,378.45 × 1,906.36
  4. Step 4: Simplify right side
    2,254.66x = 6,440,541.94
  5. Step 5: Solve for x
    x = 6,440,541.94/2,254.66
  6. Step 6: Final answer
    x = 2,856.55

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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.