Home / 3,099.26-4,271.07-2,213.53

Finding the Fourth Proportional to 3,099.26, 4,271.07 and 2,213.53

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Solution

The fourth proportional to 3,099.26, 4,271.07 and 2,213.53 is: 3,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.26 : 4,271.07 = 2,213.53 : x
  2. Step 2: Convert to fraction form
    3,099.26/4,271.07 = 2,213.53/x
  3. Step 3: Cross multiply
    3,099.26x = 4,271.07 × 2,213.53
  4. Step 4: Simplify right side
    3,099.26x = 9,454,141.58
  5. Step 5: Solve for x
    x = 9,454,141.58/3,099.26
  6. Step 6: Final answer
    x = 3,050.45

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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.