Home / 2,493.73-3,440.23-1,445.19

Finding the Fourth Proportional to 2,493.73, 3,440.23 and 1,445.19

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Solution

The fourth proportional to 2,493.73, 3,440.23 and 1,445.19 is: 1,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.73 : 3,440.23 = 1,445.19 : x
  2. Step 2: Convert to fraction form
    2,493.73/3,440.23 = 1,445.19/x
  3. Step 3: Cross multiply
    2,493.73x = 3,440.23 × 1,445.19
  4. Step 4: Simplify right side
    2,493.73x = 4,971,785.99
  5. Step 5: Solve for x
    x = 4,971,785.99/2,493.73
  6. Step 6: Final answer
    x = 1,993.71

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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.