Home / 2,235.53-3,352.20-1,311.39

Finding the Fourth Proportional to 2,235.53, 3,352.20 and 1,311.39

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Solution

The fourth proportional to 2,235.53, 3,352.20 and 1,311.39 is: 1,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.53 : 3,352.20 = 1,311.39 : x
  2. Step 2: Convert to fraction form
    2,235.53/3,352.20 = 1,311.39/x
  3. Step 3: Cross multiply
    2,235.53x = 3,352.20 × 1,311.39
  4. Step 4: Simplify right side
    2,235.53x = 4,396,041.56
  5. Step 5: Solve for x
    x = 4,396,041.56/2,235.53
  6. Step 6: Final answer
    x = 1,966.45

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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.