Home / 2,887.23-4,327.82-1,636.26

Finding the Fourth Proportional to 2,887.23, 4,327.82 and 1,636.26

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Solution

The fourth proportional to 2,887.23, 4,327.82 and 1,636.26 is: 2,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.23 : 4,327.82 = 1,636.26 : x
  2. Step 2: Convert to fraction form
    2,887.23/4,327.82 = 1,636.26/x
  3. Step 3: Cross multiply
    2,887.23x = 4,327.82 × 1,636.26
  4. Step 4: Simplify right side
    2,887.23x = 7,081,438.75
  5. Step 5: Solve for x
    x = 7,081,438.75/2,887.23
  6. Step 6: Final answer
    x = 2,452.68

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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.