Home / 2,372.64-3,272.68-1,672.80

Finding the Fourth Proportional to 2,372.64, 3,272.68 and 1,672.80

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Solution

The fourth proportional to 2,372.64, 3,272.68 and 1,672.80 is: 2,307.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.64 : 3,272.68 = 1,672.80 : x
  2. Step 2: Convert to fraction form
    2,372.64/3,272.68 = 1,672.80/x
  3. Step 3: Cross multiply
    2,372.64x = 3,272.68 × 1,672.80
  4. Step 4: Simplify right side
    2,372.64x = 5,474,539.10
  5. Step 5: Solve for x
    x = 5,474,539.10/2,372.64
  6. Step 6: Final answer
    x = 2,307.36

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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.