Home / 2,762.22-4,136.58-1,785.36

Finding the Fourth Proportional to 2,762.22, 4,136.58 and 1,785.36

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Solution

The fourth proportional to 2,762.22, 4,136.58 and 1,785.36 is: 2,673.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.22 : 4,136.58 = 1,785.36 : x
  2. Step 2: Convert to fraction form
    2,762.22/4,136.58 = 1,785.36/x
  3. Step 3: Cross multiply
    2,762.22x = 4,136.58 × 1,785.36
  4. Step 4: Simplify right side
    2,762.22x = 7,385,284.47
  5. Step 5: Solve for x
    x = 7,385,284.47/2,762.22
  6. Step 6: Final answer
    x = 2,673.68

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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.