Home / 3,108.28-4,664.24-1,376.88

Finding the Fourth Proportional to 3,108.28, 4,664.24 and 1,376.88

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Solution

The fourth proportional to 3,108.28, 4,664.24 and 1,376.88 is: 2,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.28 : 4,664.24 = 1,376.88 : x
  2. Step 2: Convert to fraction form
    3,108.28/4,664.24 = 1,376.88/x
  3. Step 3: Cross multiply
    3,108.28x = 4,664.24 × 1,376.88
  4. Step 4: Simplify right side
    3,108.28x = 6,422,098.77
  5. Step 5: Solve for x
    x = 6,422,098.77/3,108.28
  6. Step 6: Final answer
    x = 2,066.13

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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.