Home / 3,440.08-4,747.32-1,868.20

Finding the Fourth Proportional to 3,440.08, 4,747.32 and 1,868.20

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Solution

The fourth proportional to 3,440.08, 4,747.32 and 1,868.20 is: 2,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.08 : 4,747.32 = 1,868.20 : x
  2. Step 2: Convert to fraction form
    3,440.08/4,747.32 = 1,868.20/x
  3. Step 3: Cross multiply
    3,440.08x = 4,747.32 × 1,868.20
  4. Step 4: Simplify right side
    3,440.08x = 8,868,943.22
  5. Step 5: Solve for x
    x = 8,868,943.22/3,440.08
  6. Step 6: Final answer
    x = 2,578.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.