Home / 2,313.41-3,193.22-1,369.15

Finding the Fourth Proportional to 2,313.41, 3,193.22 and 1,369.15

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Solution

The fourth proportional to 2,313.41, 3,193.22 and 1,369.15 is: 1,889.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.41 : 3,193.22 = 1,369.15 : x
  2. Step 2: Convert to fraction form
    2,313.41/3,193.22 = 1,369.15/x
  3. Step 3: Cross multiply
    2,313.41x = 3,193.22 × 1,369.15
  4. Step 4: Simplify right side
    2,313.41x = 4,371,992.60
  5. Step 5: Solve for x
    x = 4,371,992.60/2,313.41
  6. Step 6: Final answer
    x = 1,889.85

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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.