Home / 4,157.94-5,737.62-2,389.20

Finding the Fourth Proportional to 4,157.94, 5,737.62 and 2,389.20

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Solution

The fourth proportional to 4,157.94, 5,737.62 and 2,389.20 is: 3,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.94 : 5,737.62 = 2,389.20 : x
  2. Step 2: Convert to fraction form
    4,157.94/5,737.62 = 2,389.20/x
  3. Step 3: Cross multiply
    4,157.94x = 5,737.62 × 2,389.20
  4. Step 4: Simplify right side
    4,157.94x = 13,708,321.70
  5. Step 5: Solve for x
    x = 13,708,321.70/4,157.94
  6. Step 6: Final answer
    x = 3,296.90

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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.