Home / 2,157.60-3,230.73-1,794.18

Finding the Fourth Proportional to 2,157.60, 3,230.73 and 1,794.18

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Solution

The fourth proportional to 2,157.60, 3,230.73 and 1,794.18 is: 2,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157.60 : 3,230.73 = 1,794.18 : x
  2. Step 2: Convert to fraction form
    2,157.60/3,230.73 = 1,794.18/x
  3. Step 3: Cross multiply
    2,157.60x = 3,230.73 × 1,794.18
  4. Step 4: Simplify right side
    2,157.60x = 5,796,511.15
  5. Step 5: Solve for x
    x = 5,796,511.15/2,157.60
  6. Step 6: Final answer
    x = 2,686.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.