Home / 3,093.65-4,639.85-1,145.39

Finding the Fourth Proportional to 3,093.65, 4,639.85 and 1,145.39

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Solution

The fourth proportional to 3,093.65, 4,639.85 and 1,145.39 is: 1,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.65 : 4,639.85 = 1,145.39 : x
  2. Step 2: Convert to fraction form
    3,093.65/4,639.85 = 1,145.39/x
  3. Step 3: Cross multiply
    3,093.65x = 4,639.85 × 1,145.39
  4. Step 4: Simplify right side
    3,093.65x = 5,314,432.06
  5. Step 5: Solve for x
    x = 5,314,432.06/3,093.65
  6. Step 6: Final answer
    x = 1,717.85

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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.