Home / 3,211.56-4,815.45-1,544.94

Finding the Fourth Proportional to 3,211.56, 4,815.45 and 1,544.94

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Solution

The fourth proportional to 3,211.56, 4,815.45 and 1,544.94 is: 2,316.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.56 : 4,815.45 = 1,544.94 : x
  2. Step 2: Convert to fraction form
    3,211.56/4,815.45 = 1,544.94/x
  3. Step 3: Cross multiply
    3,211.56x = 4,815.45 × 1,544.94
  4. Step 4: Simplify right side
    3,211.56x = 7,439,581.32
  5. Step 5: Solve for x
    x = 7,439,581.32/3,211.56
  6. Step 6: Final answer
    x = 2,316.50

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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.