Home / 2,252.29-3,108.16-1,257.57

Finding the Fourth Proportional to 2,252.29, 3,108.16 and 1,257.57

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Solution

The fourth proportional to 2,252.29, 3,108.16 and 1,257.57 is: 1,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.29 : 3,108.16 = 1,257.57 : x
  2. Step 2: Convert to fraction form
    2,252.29/3,108.16 = 1,257.57/x
  3. Step 3: Cross multiply
    2,252.29x = 3,108.16 × 1,257.57
  4. Step 4: Simplify right side
    2,252.29x = 3,908,728.77
  5. Step 5: Solve for x
    x = 3,908,728.77/2,252.29
  6. Step 6: Final answer
    x = 1,735.45

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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.