Home / 2,380.01-3,285.54-1,584.65

Finding the Fourth Proportional to 2,380.01, 3,285.54 and 1,584.65

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Solution

The fourth proportional to 2,380.01, 3,285.54 and 1,584.65 is: 2,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.01 : 3,285.54 = 1,584.65 : x
  2. Step 2: Convert to fraction form
    2,380.01/3,285.54 = 1,584.65/x
  3. Step 3: Cross multiply
    2,380.01x = 3,285.54 × 1,584.65
  4. Step 4: Simplify right side
    2,380.01x = 5,206,414.53
  5. Step 5: Solve for x
    x = 5,206,414.53/2,380.01
  6. Step 6: Final answer
    x = 2,187.56

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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.