Home / 2,211.37-3,317.06-751.55

Finding the Fourth Proportional to 2,211.37, 3,317.06 and 751.55

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Solution

The fourth proportional to 2,211.37, 3,317.06 and 751.55 is: 1,127.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.37 : 3,317.06 = 751.55 : x
  2. Step 2: Convert to fraction form
    2,211.37/3,317.06 = 751.55/x
  3. Step 3: Cross multiply
    2,211.37x = 3,317.06 × 751.55
  4. Step 4: Simplify right side
    2,211.37x = 2,492,936.44
  5. Step 5: Solve for x
    x = 2,492,936.44/2,211.37
  6. Step 6: Final answer
    x = 1,127.33

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.