Home / 3,367.09-4,645.72-2,187.93

Finding the Fourth Proportional to 3,367.09, 4,645.72 and 2,187.93

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Solution

The fourth proportional to 3,367.09, 4,645.72 and 2,187.93 is: 3,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.09 : 4,645.72 = 2,187.93 : x
  2. Step 2: Convert to fraction form
    3,367.09/4,645.72 = 2,187.93/x
  3. Step 3: Cross multiply
    3,367.09x = 4,645.72 × 2,187.93
  4. Step 4: Simplify right side
    3,367.09x = 10,164,510.16
  5. Step 5: Solve for x
    x = 10,164,510.16/3,367.09
  6. Step 6: Final answer
    x = 3,018.78

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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.