Home / 3,157.88-4,357.62-1,760.60

Finding the Fourth Proportional to 3,157.88, 4,357.62 and 1,760.60

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Solution

The fourth proportional to 3,157.88, 4,357.62 and 1,760.60 is: 2,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.88 : 4,357.62 = 1,760.60 : x
  2. Step 2: Convert to fraction form
    3,157.88/4,357.62 = 1,760.60/x
  3. Step 3: Cross multiply
    3,157.88x = 4,357.62 × 1,760.60
  4. Step 4: Simplify right side
    3,157.88x = 7,672,025.77
  5. Step 5: Solve for x
    x = 7,672,025.77/3,157.88
  6. Step 6: Final answer
    x = 2,429.49

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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.