Home / 2,372.80-3,274.40-1,296.03

Finding the Fourth Proportional to 2,372.80, 3,274.40 and 1,296.03

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Solution

The fourth proportional to 2,372.80, 3,274.40 and 1,296.03 is: 1,788.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.80 : 3,274.40 = 1,296.03 : x
  2. Step 2: Convert to fraction form
    2,372.80/3,274.40 = 1,296.03/x
  3. Step 3: Cross multiply
    2,372.80x = 3,274.40 × 1,296.03
  4. Step 4: Simplify right side
    2,372.80x = 4,243,703.85
  5. Step 5: Solve for x
    x = 4,243,703.85/2,372.80
  6. Step 6: Final answer
    x = 1,788.48

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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.