Home / 1,489.74-2,236.26-1,055.58

Finding the Fourth Proportional to 1,489.74, 2,236.26 and 1,055.58

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Solution

The fourth proportional to 1,489.74, 2,236.26 and 1,055.58 is: 1,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489.74 : 2,236.26 = 1,055.58 : x
  2. Step 2: Convert to fraction form
    1,489.74/2,236.26 = 1,055.58/x
  3. Step 3: Cross multiply
    1,489.74x = 2,236.26 × 1,055.58
  4. Step 4: Simplify right side
    1,489.74x = 2,360,551.33
  5. Step 5: Solve for x
    x = 2,360,551.33/1,489.74
  6. Step 6: Final answer
    x = 1,584.54

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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.