Home / 3,747.16-5,157.21-2,750.86

Finding the Fourth Proportional to 3,747.16, 5,157.21 and 2,750.86

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Solution

The fourth proportional to 3,747.16, 5,157.21 and 2,750.86 is: 3,786.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.16 : 5,157.21 = 2,750.86 : x
  2. Step 2: Convert to fraction form
    3,747.16/5,157.21 = 2,750.86/x
  3. Step 3: Cross multiply
    3,747.16x = 5,157.21 × 2,750.86
  4. Step 4: Simplify right side
    3,747.16x = 14,186,762.70
  5. Step 5: Solve for x
    x = 14,186,762.70/3,747.16
  6. Step 6: Final answer
    x = 3,786.00

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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.