Home / 3,384.36-5,076.23-1,630.76

Finding the Fourth Proportional to 3,384.36, 5,076.23 and 1,630.76

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Solution

The fourth proportional to 3,384.36, 5,076.23 and 1,630.76 is: 2,445.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.36 : 5,076.23 = 1,630.76 : x
  2. Step 2: Convert to fraction form
    3,384.36/5,076.23 = 1,630.76/x
  3. Step 3: Cross multiply
    3,384.36x = 5,076.23 × 1,630.76
  4. Step 4: Simplify right side
    3,384.36x = 8,278,079.30
  5. Step 5: Solve for x
    x = 8,278,079.30/3,384.36
  6. Step 6: Final answer
    x = 2,445.98

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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.