Home / 3,355.12-5,033.52-1,015.12

Finding the Fourth Proportional to 3,355.12, 5,033.52 and 1,015.12

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Solution

The fourth proportional to 3,355.12, 5,033.52 and 1,015.12 is: 1,522.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.12 : 5,033.52 = 1,015.12 : x
  2. Step 2: Convert to fraction form
    3,355.12/5,033.52 = 1,015.12/x
  3. Step 3: Cross multiply
    3,355.12x = 5,033.52 × 1,015.12
  4. Step 4: Simplify right side
    3,355.12x = 5,109,626.82
  5. Step 5: Solve for x
    x = 5,109,626.82/3,355.12
  6. Step 6: Final answer
    x = 1,522.93

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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.