Home / 3,948.60-5,917.25-2,900.37

Finding the Fourth Proportional to 3,948.60, 5,917.25 and 2,900.37

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Solution

The fourth proportional to 3,948.60, 5,917.25 and 2,900.37 is: 4,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.60 : 5,917.25 = 2,900.37 : x
  2. Step 2: Convert to fraction form
    3,948.60/5,917.25 = 2,900.37/x
  3. Step 3: Cross multiply
    3,948.60x = 5,917.25 × 2,900.37
  4. Step 4: Simplify right side
    3,948.60x = 17,162,199.88
  5. Step 5: Solve for x
    x = 17,162,199.88/3,948.60
  6. Step 6: Final answer
    x = 4,346.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.