Home / 2,958.60-4,082.88-1,614.21

Finding the Fourth Proportional to 2,958.60, 4,082.88 and 1,614.21

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Solution

The fourth proportional to 2,958.60, 4,082.88 and 1,614.21 is: 2,227.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.60 : 4,082.88 = 1,614.21 : x
  2. Step 2: Convert to fraction form
    2,958.60/4,082.88 = 1,614.21/x
  3. Step 3: Cross multiply
    2,958.60x = 4,082.88 × 1,614.21
  4. Step 4: Simplify right side
    2,958.60x = 6,590,625.72
  5. Step 5: Solve for x
    x = 6,590,625.72/2,958.60
  6. Step 6: Final answer
    x = 2,227.62

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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.