Home / 2,912.68-4,368.26-1,450.76

Finding the Fourth Proportional to 2,912.68, 4,368.26 and 1,450.76

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Solution

The fourth proportional to 2,912.68, 4,368.26 and 1,450.76 is: 2,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.68 : 4,368.26 = 1,450.76 : x
  2. Step 2: Convert to fraction form
    2,912.68/4,368.26 = 1,450.76/x
  3. Step 3: Cross multiply
    2,912.68x = 4,368.26 × 1,450.76
  4. Step 4: Simplify right side
    2,912.68x = 6,337,296.88
  5. Step 5: Solve for x
    x = 6,337,296.88/2,912.68
  6. Step 6: Final answer
    x = 2,175.76

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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.