Home / 1,452.21-2,004.36-892.68

Finding the Fourth Proportional to 1,452.21, 2,004.36 and 892.68

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Solution

The fourth proportional to 1,452.21, 2,004.36 and 892.68 is: 1,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.21 : 2,004.36 = 892.68 : x
  2. Step 2: Convert to fraction form
    1,452.21/2,004.36 = 892.68/x
  3. Step 3: Cross multiply
    1,452.21x = 2,004.36 × 892.68
  4. Step 4: Simplify right side
    1,452.21x = 1,789,252.08
  5. Step 5: Solve for x
    x = 1,789,252.08/1,452.21
  6. Step 6: Final answer
    x = 1,232.09

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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.