Home / 3,858.65-5,785.74-3,397.35

Finding the Fourth Proportional to 3,858.65, 5,785.74 and 3,397.35

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Solution

The fourth proportional to 3,858.65, 5,785.74 and 3,397.35 is: 5,094.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.65 : 5,785.74 = 3,397.35 : x
  2. Step 2: Convert to fraction form
    3,858.65/5,785.74 = 3,397.35/x
  3. Step 3: Cross multiply
    3,858.65x = 5,785.74 × 3,397.35
  4. Step 4: Simplify right side
    3,858.65x = 19,656,183.79
  5. Step 5: Solve for x
    x = 19,656,183.79/3,858.65
  6. Step 6: Final answer
    x = 5,094.06

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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.