Home / 3,380.05-4,664.45-1,887.95

Finding the Fourth Proportional to 3,380.05, 4,664.45 and 1,887.95

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Solution

The fourth proportional to 3,380.05, 4,664.45 and 1,887.95 is: 2,605.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.05 : 4,664.45 = 1,887.95 : x
  2. Step 2: Convert to fraction form
    3,380.05/4,664.45 = 1,887.95/x
  3. Step 3: Cross multiply
    3,380.05x = 4,664.45 × 1,887.95
  4. Step 4: Simplify right side
    3,380.05x = 8,806,260.85
  5. Step 5: Solve for x
    x = 8,806,260.85/3,380.05
  6. Step 6: Final answer
    x = 2,605.37

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1.5x scale

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.