Home / 3,389.91-5,081.14-1,746.55

Finding the Fourth Proportional to 3,389.91, 5,081.14 and 1,746.55

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Solution

The fourth proportional to 3,389.91, 5,081.14 and 1,746.55 is: 2,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.91 : 5,081.14 = 1,746.55 : x
  2. Step 2: Convert to fraction form
    3,389.91/5,081.14 = 1,746.55/x
  3. Step 3: Cross multiply
    3,389.91x = 5,081.14 × 1,746.55
  4. Step 4: Simplify right side
    3,389.91x = 8,874,465.07
  5. Step 5: Solve for x
    x = 8,874,465.07/3,389.91
  6. Step 6: Final answer
    x = 2,617.91

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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.