Home / 2,576.19-3,556.52-2,015.47

Finding the Fourth Proportional to 2,576.19, 3,556.52 and 2,015.47

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Solution

The fourth proportional to 2,576.19, 3,556.52 and 2,015.47 is: 2,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.19 : 3,556.52 = 2,015.47 : x
  2. Step 2: Convert to fraction form
    2,576.19/3,556.52 = 2,015.47/x
  3. Step 3: Cross multiply
    2,576.19x = 3,556.52 × 2,015.47
  4. Step 4: Simplify right side
    2,576.19x = 7,168,059.36
  5. Step 5: Solve for x
    x = 7,168,059.36/2,576.19
  6. Step 6: Final answer
    x = 2,782.43

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Half scale
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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.