Home / 3,731.83-5,150.10-2,159.62

Finding the Fourth Proportional to 3,731.83, 5,150.10 and 2,159.62

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Solution

The fourth proportional to 3,731.83, 5,150.10 and 2,159.62 is: 2,980.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.83 : 5,150.10 = 2,159.62 : x
  2. Step 2: Convert to fraction form
    3,731.83/5,150.10 = 2,159.62/x
  3. Step 3: Cross multiply
    3,731.83x = 5,150.10 × 2,159.62
  4. Step 4: Simplify right side
    3,731.83x = 11,122,258.96
  5. Step 5: Solve for x
    x = 11,122,258.96/3,731.83
  6. Step 6: Final answer
    x = 2,980.38

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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.