Home / 2,027.10-2,795.68-1,398.63

Finding the Fourth Proportional to 2,027.10, 2,795.68 and 1,398.63

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Solution

The fourth proportional to 2,027.10, 2,795.68 and 1,398.63 is: 1,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.10 : 2,795.68 = 1,398.63 : x
  2. Step 2: Convert to fraction form
    2,027.10/2,795.68 = 1,398.63/x
  3. Step 3: Cross multiply
    2,027.10x = 2,795.68 × 1,398.63
  4. Step 4: Simplify right side
    2,027.10x = 3,910,121.92
  5. Step 5: Solve for x
    x = 3,910,121.92/2,027.10
  6. Step 6: Final answer
    x = 1,928.92

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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.