Home / 2,453.20-3,385.43-1,334.15

Finding the Fourth Proportional to 2,453.20, 3,385.43 and 1,334.15

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Solution

The fourth proportional to 2,453.20, 3,385.43 and 1,334.15 is: 1,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.20 : 3,385.43 = 1,334.15 : x
  2. Step 2: Convert to fraction form
    2,453.20/3,385.43 = 1,334.15/x
  3. Step 3: Cross multiply
    2,453.20x = 3,385.43 × 1,334.15
  4. Step 4: Simplify right side
    2,453.20x = 4,516,647.84
  5. Step 5: Solve for x
    x = 4,516,647.84/2,453.20
  6. Step 6: Final answer
    x = 1,841.13

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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.