Home / 3,503.82-5,252.06-1,311.60

Finding the Fourth Proportional to 3,503.82, 5,252.06 and 1,311.60

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Solution

The fourth proportional to 3,503.82, 5,252.06 and 1,311.60 is: 1,966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.82 : 5,252.06 = 1,311.60 : x
  2. Step 2: Convert to fraction form
    3,503.82/5,252.06 = 1,311.60/x
  3. Step 3: Cross multiply
    3,503.82x = 5,252.06 × 1,311.60
  4. Step 4: Simplify right side
    3,503.82x = 6,888,601.90
  5. Step 5: Solve for x
    x = 6,888,601.90/3,503.82
  6. Step 6: Final answer
    x = 1,966.03

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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.