Home / 2,252.10-3,107.80-1,257.19

Finding the Fourth Proportional to 2,252.10, 3,107.80 and 1,257.19

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Solution

The fourth proportional to 2,252.10, 3,107.80 and 1,257.19 is: 1,734.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.10 : 3,107.80 = 1,257.19 : x
  2. Step 2: Convert to fraction form
    2,252.10/3,107.80 = 1,257.19/x
  3. Step 3: Cross multiply
    2,252.10x = 3,107.80 × 1,257.19
  4. Step 4: Simplify right side
    2,252.10x = 3,907,088.88
  5. Step 5: Solve for x
    x = 3,907,088.88/2,252.10
  6. Step 6: Final answer
    x = 1,734.86

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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.