Home / 1,626.14-2,243.35-1,129.97

Finding the Fourth Proportional to 1,626.14, 2,243.35 and 1,129.97

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Solution

The fourth proportional to 1,626.14, 2,243.35 and 1,129.97 is: 1,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.14 : 2,243.35 = 1,129.97 : x
  2. Step 2: Convert to fraction form
    1,626.14/2,243.35 = 1,129.97/x
  3. Step 3: Cross multiply
    1,626.14x = 2,243.35 × 1,129.97
  4. Step 4: Simplify right side
    1,626.14x = 2,534,918.20
  5. Step 5: Solve for x
    x = 2,534,918.20/1,626.14
  6. Step 6: Final answer
    x = 1,558.86

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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.