Home / 1,445.37-2,168.01-827.16

Finding the Fourth Proportional to 1,445.37, 2,168.01 and 827.16

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Solution

The fourth proportional to 1,445.37, 2,168.01 and 827.16 is: 1,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.37 : 2,168.01 = 827.16 : x
  2. Step 2: Convert to fraction form
    1,445.37/2,168.01 = 827.16/x
  3. Step 3: Cross multiply
    1,445.37x = 2,168.01 × 827.16
  4. Step 4: Simplify right side
    1,445.37x = 1,793,291.15
  5. Step 5: Solve for x
    x = 1,793,291.15/1,445.37
  6. Step 6: Final answer
    x = 1,240.71

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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.