Home / 2,285.64-3,427.38-1,636.68

Finding the Fourth Proportional to 2,285.64, 3,427.38 and 1,636.68

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Solution

The fourth proportional to 2,285.64, 3,427.38 and 1,636.68 is: 2,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.64 : 3,427.38 = 1,636.68 : x
  2. Step 2: Convert to fraction form
    2,285.64/3,427.38 = 1,636.68/x
  3. Step 3: Cross multiply
    2,285.64x = 3,427.38 × 1,636.68
  4. Step 4: Simplify right side
    2,285.64x = 5,609,524.30
  5. Step 5: Solve for x
    x = 5,609,524.30/2,285.64
  6. Step 6: Final answer
    x = 2,454.25

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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.