Home / 2,912.77-4,367.70-1,452.73

Finding the Fourth Proportional to 2,912.77, 4,367.70 and 1,452.73

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Solution

The fourth proportional to 2,912.77, 4,367.70 and 1,452.73 is: 2,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.77 : 4,367.70 = 1,452.73 : x
  2. Step 2: Convert to fraction form
    2,912.77/4,367.70 = 1,452.73/x
  3. Step 3: Cross multiply
    2,912.77x = 4,367.70 × 1,452.73
  4. Step 4: Simplify right side
    2,912.77x = 6,345,088.82
  5. Step 5: Solve for x
    x = 6,345,088.82/2,912.77
  6. Step 6: Final answer
    x = 2,178.37

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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.