Home / 3,021.32-4,533.90-1,289.96

Finding the Fourth Proportional to 3,021.32, 4,533.90 and 1,289.96

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Solution

The fourth proportional to 3,021.32, 4,533.90 and 1,289.96 is: 1,935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.32 : 4,533.90 = 1,289.96 : x
  2. Step 2: Convert to fraction form
    3,021.32/4,533.90 = 1,289.96/x
  3. Step 3: Cross multiply
    3,021.32x = 4,533.90 × 1,289.96
  4. Step 4: Simplify right side
    3,021.32x = 5,848,549.64
  5. Step 5: Solve for x
    x = 5,848,549.64/3,021.32
  6. Step 6: Final answer
    x = 1,935.76

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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.