Home / 2,252.90-3,108.72-1,258.14

Finding the Fourth Proportional to 2,252.90, 3,108.72 and 1,258.14

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Solution

The fourth proportional to 2,252.90, 3,108.72 and 1,258.14 is: 1,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.90 : 3,108.72 = 1,258.14 : x
  2. Step 2: Convert to fraction form
    2,252.90/3,108.72 = 1,258.14/x
  3. Step 3: Cross multiply
    2,252.90x = 3,108.72 × 1,258.14
  4. Step 4: Simplify right side
    2,252.90x = 3,911,204.98
  5. Step 5: Solve for x
    x = 3,911,204.98/2,252.90
  6. Step 6: Final answer
    x = 1,736.08

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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.