Home / 1,601.09-2,209.35-892.86

Finding the Fourth Proportional to 1,601.09, 2,209.35 and 892.86

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Solution

The fourth proportional to 1,601.09, 2,209.35 and 892.86 is: 1,232.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.09 : 2,209.35 = 892.86 : x
  2. Step 2: Convert to fraction form
    1,601.09/2,209.35 = 892.86/x
  3. Step 3: Cross multiply
    1,601.09x = 2,209.35 × 892.86
  4. Step 4: Simplify right side
    1,601.09x = 1,972,640.24
  5. Step 5: Solve for x
    x = 1,972,640.24/1,601.09
  6. Step 6: Final answer
    x = 1,232.06

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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.