Home / 2,247.57-3,100.37-1,418.13

Finding the Fourth Proportional to 2,247.57, 3,100.37 and 1,418.13

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Solution

The fourth proportional to 2,247.57, 3,100.37 and 1,418.13 is: 1,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.57 : 3,100.37 = 1,418.13 : x
  2. Step 2: Convert to fraction form
    2,247.57/3,100.37 = 1,418.13/x
  3. Step 3: Cross multiply
    2,247.57x = 3,100.37 × 1,418.13
  4. Step 4: Simplify right side
    2,247.57x = 4,396,715.75
  5. Step 5: Solve for x
    x = 4,396,715.75/2,247.57
  6. Step 6: Final answer
    x = 1,956.21

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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.