Home / 1,772.03-2,668.39-1,313.07

Finding the Fourth Proportional to 1,772.03, 2,668.39 and 1,313.07

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Solution

The fourth proportional to 1,772.03, 2,668.39 and 1,313.07 is: 1,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.03 : 2,668.39 = 1,313.07 : x
  2. Step 2: Convert to fraction form
    1,772.03/2,668.39 = 1,313.07/x
  3. Step 3: Cross multiply
    1,772.03x = 2,668.39 × 1,313.07
  4. Step 4: Simplify right side
    1,772.03x = 3,503,782.86
  5. Step 5: Solve for x
    x = 3,503,782.86/1,772.03
  6. Step 6: Final answer
    x = 1,977.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.