Home / 3,384.98-5,077.28-1,076.30

Finding the Fourth Proportional to 3,384.98, 5,077.28 and 1,076.30

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Solution

The fourth proportional to 3,384.98, 5,077.28 and 1,076.30 is: 1,614.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.98 : 5,077.28 = 1,076.30 : x
  2. Step 2: Convert to fraction form
    3,384.98/5,077.28 = 1,076.30/x
  3. Step 3: Cross multiply
    3,384.98x = 5,077.28 × 1,076.30
  4. Step 4: Simplify right side
    3,384.98x = 5,464,676.46
  5. Step 5: Solve for x
    x = 5,464,676.46/3,384.98
  6. Step 6: Final answer
    x = 1,614.39

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1.5x scale

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.