Home / 2,189.16-3,285.44-1,635.26

Finding the Fourth Proportional to 2,189.16, 3,285.44 and 1,635.26

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Solution

The fourth proportional to 2,189.16, 3,285.44 and 1,635.26 is: 2,454.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.16 : 3,285.44 = 1,635.26 : x
  2. Step 2: Convert to fraction form
    2,189.16/3,285.44 = 1,635.26/x
  3. Step 3: Cross multiply
    2,189.16x = 3,285.44 × 1,635.26
  4. Step 4: Simplify right side
    2,189.16x = 5,372,548.61
  5. Step 5: Solve for x
    x = 5,372,548.61/2,189.16
  6. Step 6: Final answer
    x = 2,454.16

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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.