Home / 2,834.56-3,912.14-1,656.32

Finding the Fourth Proportional to 2,834.56, 3,912.14 and 1,656.32

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Solution

The fourth proportional to 2,834.56, 3,912.14 and 1,656.32 is: 2,285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.56 : 3,912.14 = 1,656.32 : x
  2. Step 2: Convert to fraction form
    2,834.56/3,912.14 = 1,656.32/x
  3. Step 3: Cross multiply
    2,834.56x = 3,912.14 × 1,656.32
  4. Step 4: Simplify right side
    2,834.56x = 6,479,755.72
  5. Step 5: Solve for x
    x = 6,479,755.72/2,834.56
  6. Step 6: Final answer
    x = 2,285.98

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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.