Home / 2,262.06-3,121.60-1,267.32

Finding the Fourth Proportional to 2,262.06, 3,121.60 and 1,267.32

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Solution

The fourth proportional to 2,262.06, 3,121.60 and 1,267.32 is: 1,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.06 : 3,121.60 = 1,267.32 : x
  2. Step 2: Convert to fraction form
    2,262.06/3,121.60 = 1,267.32/x
  3. Step 3: Cross multiply
    2,262.06x = 3,121.60 × 1,267.32
  4. Step 4: Simplify right side
    2,262.06x = 3,956,070.03
  5. Step 5: Solve for x
    x = 3,956,070.03/2,262.06
  6. Step 6: Final answer
    x = 1,748.88

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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.