Home / 2,257.52-3,115.62-1,263.06

Finding the Fourth Proportional to 2,257.52, 3,115.62 and 1,263.06

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Solution

The fourth proportional to 2,257.52, 3,115.62 and 1,263.06 is: 1,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.52 : 3,115.62 = 1,263.06 : x
  2. Step 2: Convert to fraction form
    2,257.52/3,115.62 = 1,263.06/x
  3. Step 3: Cross multiply
    2,257.52x = 3,115.62 × 1,263.06
  4. Step 4: Simplify right side
    2,257.52x = 3,935,215.00
  5. Step 5: Solve for x
    x = 3,935,215.00/2,257.52
  6. Step 6: Final answer
    x = 1,743.16

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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.