Home / 3,880.26-5,354.81-2,201.54

Finding the Fourth Proportional to 3,880.26, 5,354.81 and 2,201.54

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Solution

The fourth proportional to 3,880.26, 5,354.81 and 2,201.54 is: 3,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.26 : 5,354.81 = 2,201.54 : x
  2. Step 2: Convert to fraction form
    3,880.26/5,354.81 = 2,201.54/x
  3. Step 3: Cross multiply
    3,880.26x = 5,354.81 × 2,201.54
  4. Step 4: Simplify right side
    3,880.26x = 11,788,828.41
  5. Step 5: Solve for x
    x = 11,788,828.41/3,880.26
  6. Step 6: Final answer
    x = 3,038.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.