Home / 3,828.64-5,285.53-2,576.28

Finding the Fourth Proportional to 3,828.64, 5,285.53 and 2,576.28

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Solution

The fourth proportional to 3,828.64, 5,285.53 and 2,576.28 is: 3,556.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.64 : 5,285.53 = 2,576.28 : x
  2. Step 2: Convert to fraction form
    3,828.64/5,285.53 = 2,576.28/x
  3. Step 3: Cross multiply
    3,828.64x = 5,285.53 × 2,576.28
  4. Step 4: Simplify right side
    3,828.64x = 13,617,005.23
  5. Step 5: Solve for x
    x = 13,617,005.23/3,828.64
  6. Step 6: Final answer
    x = 3,556.62

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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.