Home / 2,099.42-2,896.66-1,214.70

Finding the Fourth Proportional to 2,099.42, 2,896.66 and 1,214.70

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Solution

The fourth proportional to 2,099.42, 2,896.66 and 1,214.70 is: 1,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.42 : 2,896.66 = 1,214.70 : x
  2. Step 2: Convert to fraction form
    2,099.42/2,896.66 = 1,214.70/x
  3. Step 3: Cross multiply
    2,099.42x = 2,896.66 × 1,214.70
  4. Step 4: Simplify right side
    2,099.42x = 3,518,563.56
  5. Step 5: Solve for x
    x = 3,518,563.56/2,099.42
  6. Step 6: Final answer
    x = 1,675.97

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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.