Home / 2,099.05-3,148.61-1,373.22

Finding the Fourth Proportional to 2,099.05, 3,148.61 and 1,373.22

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Solution

The fourth proportional to 2,099.05, 3,148.61 and 1,373.22 is: 2,059.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.05 : 3,148.61 = 1,373.22 : x
  2. Step 2: Convert to fraction form
    2,099.05/3,148.61 = 1,373.22/x
  3. Step 3: Cross multiply
    2,099.05x = 3,148.61 × 1,373.22
  4. Step 4: Simplify right side
    2,099.05x = 4,323,727.36
  5. Step 5: Solve for x
    x = 4,323,727.36/2,099.05
  6. Step 6: Final answer
    x = 2,059.85

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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.