Home / 1,601.24-2,209.70-1,012.26

Finding the Fourth Proportional to 1,601.24, 2,209.70 and 1,012.26

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Solution

The fourth proportional to 1,601.24, 2,209.70 and 1,012.26 is: 1,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.24 : 2,209.70 = 1,012.26 : x
  2. Step 2: Convert to fraction form
    1,601.24/2,209.70 = 1,012.26/x
  3. Step 3: Cross multiply
    1,601.24x = 2,209.70 × 1,012.26
  4. Step 4: Simplify right side
    1,601.24x = 2,236,785.86
  5. Step 5: Solve for x
    x = 2,236,785.86/1,601.24
  6. Step 6: Final answer
    x = 1,396.91

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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.