Home / 3,216.64-4,438.98-1,819.36

Finding the Fourth Proportional to 3,216.64, 4,438.98 and 1,819.36

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Solution

The fourth proportional to 3,216.64, 4,438.98 and 1,819.36 is: 2,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.64 : 4,438.98 = 1,819.36 : x
  2. Step 2: Convert to fraction form
    3,216.64/4,438.98 = 1,819.36/x
  3. Step 3: Cross multiply
    3,216.64x = 4,438.98 × 1,819.36
  4. Step 4: Simplify right side
    3,216.64x = 8,076,102.65
  5. Step 5: Solve for x
    x = 8,076,102.65/3,216.64
  6. Step 6: Final answer
    x = 2,510.73

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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.