Home / 2,372.45-3,273.75-1,377.50

Finding the Fourth Proportional to 2,372.45, 3,273.75 and 1,377.50

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Solution

The fourth proportional to 2,372.45, 3,273.75 and 1,377.50 is: 1,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.45 : 3,273.75 = 1,377.50 : x
  2. Step 2: Convert to fraction form
    2,372.45/3,273.75 = 1,377.50/x
  3. Step 3: Cross multiply
    2,372.45x = 3,273.75 × 1,377.50
  4. Step 4: Simplify right side
    2,372.45x = 4,509,590.63
  5. Step 5: Solve for x
    x = 4,509,590.63/2,372.45
  6. Step 6: Final answer
    x = 1,900.82

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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.