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Finding the Fourth Proportional to 1,785.44, 2,683.44 and 1,479.24

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Solution

The fourth proportional to 1,785.44, 2,683.44 and 1,479.24 is: 2,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.44 : 2,683.44 = 1,479.24 : x
  2. Step 2: Convert to fraction form
    1,785.44/2,683.44 = 1,479.24/x
  3. Step 3: Cross multiply
    1,785.44x = 2,683.44 × 1,479.24
  4. Step 4: Simplify right side
    1,785.44x = 3,969,451.79
  5. Step 5: Solve for x
    x = 3,969,451.79/1,785.44
  6. Step 6: Final answer
    x = 2,223.23

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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.