Home / 4,156.19-5,735.46-2,267.78

Finding the Fourth Proportional to 4,156.19, 5,735.46 and 2,267.78

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Solution

The fourth proportional to 4,156.19, 5,735.46 and 2,267.78 is: 3,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.19 : 5,735.46 = 2,267.78 : x
  2. Step 2: Convert to fraction form
    4,156.19/5,735.46 = 2,267.78/x
  3. Step 3: Cross multiply
    4,156.19x = 5,735.46 × 2,267.78
  4. Step 4: Simplify right side
    4,156.19x = 13,006,761.48
  5. Step 5: Solve for x
    x = 13,006,761.48/4,156.19
  6. Step 6: Final answer
    x = 3,129.49

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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.