Home / 2,191.54-3,023.66-1,445.24

Finding the Fourth Proportional to 2,191.54, 3,023.66 and 1,445.24

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Solution

The fourth proportional to 2,191.54, 3,023.66 and 1,445.24 is: 1,993.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.54 : 3,023.66 = 1,445.24 : x
  2. Step 2: Convert to fraction form
    2,191.54/3,023.66 = 1,445.24/x
  3. Step 3: Cross multiply
    2,191.54x = 3,023.66 × 1,445.24
  4. Step 4: Simplify right side
    2,191.54x = 4,369,914.38
  5. Step 5: Solve for x
    x = 4,369,914.38/2,191.54
  6. Step 6: Final answer
    x = 1,993.99

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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.