Home / 2,460.45-3,692.19-1,422.50

Finding the Fourth Proportional to 2,460.45, 3,692.19 and 1,422.50

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Solution

The fourth proportional to 2,460.45, 3,692.19 and 1,422.50 is: 2,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.45 : 3,692.19 = 1,422.50 : x
  2. Step 2: Convert to fraction form
    2,460.45/3,692.19 = 1,422.50/x
  3. Step 3: Cross multiply
    2,460.45x = 3,692.19 × 1,422.50
  4. Step 4: Simplify right side
    2,460.45x = 5,252,140.28
  5. Step 5: Solve for x
    x = 5,252,140.28/2,460.45
  6. Step 6: Final answer
    x = 2,134.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.