Home / 3,093.10-4,639.68-1,145.50

Finding the Fourth Proportional to 3,093.10, 4,639.68 and 1,145.50

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Solution

The fourth proportional to 3,093.10, 4,639.68 and 1,145.50 is: 1,718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.10 : 4,639.68 = 1,145.50 : x
  2. Step 2: Convert to fraction form
    3,093.10/4,639.68 = 1,145.50/x
  3. Step 3: Cross multiply
    3,093.10x = 4,639.68 × 1,145.50
  4. Step 4: Simplify right side
    3,093.10x = 5,314,753.44
  5. Step 5: Solve for x
    x = 5,314,753.44/3,093.10
  6. Step 6: Final answer
    x = 1,718.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.