Home / 2,912.64-4,020.16-2,248.48

Finding the Fourth Proportional to 2,912.64, 4,020.16 and 2,248.48

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Solution

The fourth proportional to 2,912.64, 4,020.16 and 2,248.48 is: 3,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.64 : 4,020.16 = 2,248.48 : x
  2. Step 2: Convert to fraction form
    2,912.64/4,020.16 = 2,248.48/x
  3. Step 3: Cross multiply
    2,912.64x = 4,020.16 × 2,248.48
  4. Step 4: Simplify right side
    2,912.64x = 9,039,249.36
  5. Step 5: Solve for x
    x = 9,039,249.36/2,912.64
  6. Step 6: Final answer
    x = 3,103.46

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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.