Home / 3,576.32-4,909-3,174.56

Finding the Fourth Proportional to 3,576.32, 4,909 and 3,174.56

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Solution

The fourth proportional to 3,576.32, 4,909 and 3,174.56 is: 4,357.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.32 : 4,909 = 3,174.56 : x
  2. Step 2: Convert to fraction form
    3,576.32/4,909 = 3,174.56/x
  3. Step 3: Cross multiply
    3,576.32x = 4,909 × 3,174.56
  4. Step 4: Simplify right side
    3,576.32x = 15,583,915.04
  5. Step 5: Solve for x
    x = 15,583,915.04/3,576.32
  6. Step 6: Final answer
    x = 4,357.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.