Home / 3,511.35-5,271.09-2,051.55

Finding the Fourth Proportional to 3,511.35, 5,271.09 and 2,051.55

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Solution

The fourth proportional to 3,511.35, 5,271.09 and 2,051.55 is: 3,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.35 : 5,271.09 = 2,051.55 : x
  2. Step 2: Convert to fraction form
    3,511.35/5,271.09 = 2,051.55/x
  3. Step 3: Cross multiply
    3,511.35x = 5,271.09 × 2,051.55
  4. Step 4: Simplify right side
    3,511.35x = 10,813,904.69
  5. Step 5: Solve for x
    x = 10,813,904.69/3,511.35
  6. Step 6: Final answer
    x = 3,079.70

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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.