Home / 3,188.32-4,400.29-1,791.07

Finding the Fourth Proportional to 3,188.32, 4,400.29 and 1,791.07

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Solution

The fourth proportional to 3,188.32, 4,400.29 and 1,791.07 is: 2,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.32 : 4,400.29 = 1,791.07 : x
  2. Step 2: Convert to fraction form
    3,188.32/4,400.29 = 1,791.07/x
  3. Step 3: Cross multiply
    3,188.32x = 4,400.29 × 1,791.07
  4. Step 4: Simplify right side
    3,188.32x = 7,881,196.45
  5. Step 5: Solve for x
    x = 7,881,196.45/3,188.32
  6. Step 6: Final answer
    x = 2,471.90

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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.