Home / 3,289.09-4,931.82-1,096.63

Finding the Fourth Proportional to 3,289.09, 4,931.82 and 1,096.63

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Solution

The fourth proportional to 3,289.09, 4,931.82 and 1,096.63 is: 1,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.09 : 4,931.82 = 1,096.63 : x
  2. Step 2: Convert to fraction form
    3,289.09/4,931.82 = 1,096.63/x
  3. Step 3: Cross multiply
    3,289.09x = 4,931.82 × 1,096.63
  4. Step 4: Simplify right side
    3,289.09x = 5,408,381.77
  5. Step 5: Solve for x
    x = 5,408,381.77/3,289.09
  6. Step 6: Final answer
    x = 1,644.34

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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.