Home / 3,271.45-4,513.83-2,211.19

Finding the Fourth Proportional to 3,271.45, 4,513.83 and 2,211.19

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Solution

The fourth proportional to 3,271.45, 4,513.83 and 2,211.19 is: 3,050.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.45 : 4,513.83 = 2,211.19 : x
  2. Step 2: Convert to fraction form
    3,271.45/4,513.83 = 2,211.19/x
  3. Step 3: Cross multiply
    3,271.45x = 4,513.83 × 2,211.19
  4. Step 4: Simplify right side
    3,271.45x = 9,980,935.76
  5. Step 5: Solve for x
    x = 9,980,935.76/3,271.45
  6. Step 6: Final answer
    x = 3,050.92

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.