Home / 3,148.83-4,722.64-1,507.37

Finding the Fourth Proportional to 3,148.83, 4,722.64 and 1,507.37

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Solution

The fourth proportional to 3,148.83, 4,722.64 and 1,507.37 is: 2,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.83 : 4,722.64 = 1,507.37 : x
  2. Step 2: Convert to fraction form
    3,148.83/4,722.64 = 1,507.37/x
  3. Step 3: Cross multiply
    3,148.83x = 4,722.64 × 1,507.37
  4. Step 4: Simplify right side
    3,148.83x = 7,118,738.48
  5. Step 5: Solve for x
    x = 7,118,738.48/3,148.83
  6. Step 6: Final answer
    x = 2,260.76

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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.