Home / 3,219.50-4,827.30-1,110.36

Finding the Fourth Proportional to 3,219.50, 4,827.30 and 1,110.36

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Solution

The fourth proportional to 3,219.50, 4,827.30 and 1,110.36 is: 1,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.50 : 4,827.30 = 1,110.36 : x
  2. Step 2: Convert to fraction form
    3,219.50/4,827.30 = 1,110.36/x
  3. Step 3: Cross multiply
    3,219.50x = 4,827.30 × 1,110.36
  4. Step 4: Simplify right side
    3,219.50x = 5,360,040.83
  5. Step 5: Solve for x
    x = 5,360,040.83/3,219.50
  6. Step 6: Final answer
    x = 1,664.87

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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.