Home / 2,375.08-3,277.50-1,380.40

Finding the Fourth Proportional to 2,375.08, 3,277.50 and 1,380.40

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Solution

The fourth proportional to 2,375.08, 3,277.50 and 1,380.40 is: 1,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.08 : 3,277.50 = 1,380.40 : x
  2. Step 2: Convert to fraction form
    2,375.08/3,277.50 = 1,380.40/x
  3. Step 3: Cross multiply
    2,375.08x = 3,277.50 × 1,380.40
  4. Step 4: Simplify right side
    2,375.08x = 4,524,261
  5. Step 5: Solve for x
    x = 4,524,261/2,375.08
  6. Step 6: Final answer
    x = 1,904.89

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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.