Home / 3,576.25-5,360.26-1,383.78

Finding the Fourth Proportional to 3,576.25, 5,360.26 and 1,383.78

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Solution

The fourth proportional to 3,576.25, 5,360.26 and 1,383.78 is: 2,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.25 : 5,360.26 = 1,383.78 : x
  2. Step 2: Convert to fraction form
    3,576.25/5,360.26 = 1,383.78/x
  3. Step 3: Cross multiply
    3,576.25x = 5,360.26 × 1,383.78
  4. Step 4: Simplify right side
    3,576.25x = 7,417,439.82
  5. Step 5: Solve for x
    x = 7,417,439.82/3,576.25
  6. Step 6: Final answer
    x = 2,074.08

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1.5x scale

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.