Home / 2,211.17-3,051.60-1,267.27

Finding the Fourth Proportional to 2,211.17, 3,051.60 and 1,267.27

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Solution

The fourth proportional to 2,211.17, 3,051.60 and 1,267.27 is: 1,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.17 : 3,051.60 = 1,267.27 : x
  2. Step 2: Convert to fraction form
    2,211.17/3,051.60 = 1,267.27/x
  3. Step 3: Cross multiply
    2,211.17x = 3,051.60 × 1,267.27
  4. Step 4: Simplify right side
    2,211.17x = 3,867,201.13
  5. Step 5: Solve for x
    x = 3,867,201.13/2,211.17
  6. Step 6: Final answer
    x = 1,748.94

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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.