Home / 3,380.07-4,664.33-1,887.69

Finding the Fourth Proportional to 3,380.07, 4,664.33 and 1,887.69

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Solution

The fourth proportional to 3,380.07, 4,664.33 and 1,887.69 is: 2,604.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.07 : 4,664.33 = 1,887.69 : x
  2. Step 2: Convert to fraction form
    3,380.07/4,664.33 = 1,887.69/x
  3. Step 3: Cross multiply
    3,380.07x = 4,664.33 × 1,887.69
  4. Step 4: Simplify right side
    3,380.07x = 8,804,809.10
  5. Step 5: Solve for x
    x = 8,804,809.10/3,380.07
  6. Step 6: Final answer
    x = 2,604.92

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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.