Home / 2,912.66-4,368.99-1,352.46

Finding the Fourth Proportional to 2,912.66, 4,368.99 and 1,352.46

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Solution

The fourth proportional to 2,912.66, 4,368.99 and 1,352.46 is: 2,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.66 : 4,368.99 = 1,352.46 : x
  2. Step 2: Convert to fraction form
    2,912.66/4,368.99 = 1,352.46/x
  3. Step 3: Cross multiply
    2,912.66x = 4,368.99 × 1,352.46
  4. Step 4: Simplify right side
    2,912.66x = 5,908,884.22
  5. Step 5: Solve for x
    x = 5,908,884.22/2,912.66
  6. Step 6: Final answer
    x = 2,028.69

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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.