Home / 3,505.78-5,258.67-2,043.91

Finding the Fourth Proportional to 3,505.78, 5,258.67 and 2,043.91

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Solution

The fourth proportional to 3,505.78, 5,258.67 and 2,043.91 is: 3,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.78 : 5,258.67 = 2,043.91 : x
  2. Step 2: Convert to fraction form
    3,505.78/5,258.67 = 2,043.91/x
  3. Step 3: Cross multiply
    3,505.78x = 5,258.67 × 2,043.91
  4. Step 4: Simplify right side
    3,505.78x = 10,748,217.48
  5. Step 5: Solve for x
    x = 10,748,217.48/3,505.78
  6. Step 6: Final answer
    x = 3,065.86

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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.