Home / 2,113.24-2,912.16-1,522.66

Finding the Fourth Proportional to 2,113.24, 2,912.16 and 1,522.66

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Solution

The fourth proportional to 2,113.24, 2,912.16 and 1,522.66 is: 2,098.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.24 : 2,912.16 = 1,522.66 : x
  2. Step 2: Convert to fraction form
    2,113.24/2,912.16 = 1,522.66/x
  3. Step 3: Cross multiply
    2,113.24x = 2,912.16 × 1,522.66
  4. Step 4: Simplify right side
    2,113.24x = 4,434,229.55
  5. Step 5: Solve for x
    x = 4,434,229.55/2,113.24
  6. Step 6: Final answer
    x = 2,098.31

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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.