Home / 2,252.19-3,108.96-1,647.48

Finding the Fourth Proportional to 2,252.19, 3,108.96 and 1,647.48

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Solution

The fourth proportional to 2,252.19, 3,108.96 and 1,647.48 is: 2,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.19 : 3,108.96 = 1,647.48 : x
  2. Step 2: Convert to fraction form
    2,252.19/3,108.96 = 1,647.48/x
  3. Step 3: Cross multiply
    2,252.19x = 3,108.96 × 1,647.48
  4. Step 4: Simplify right side
    2,252.19x = 5,121,949.42
  5. Step 5: Solve for x
    x = 5,121,949.42/2,252.19
  6. Step 6: Final answer
    x = 2,274.21

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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.