Home / 3,324.48-4,985.42-1,102.74

Finding the Fourth Proportional to 3,324.48, 4,985.42 and 1,102.74

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Solution

The fourth proportional to 3,324.48, 4,985.42 and 1,102.74 is: 1,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.48 : 4,985.42 = 1,102.74 : x
  2. Step 2: Convert to fraction form
    3,324.48/4,985.42 = 1,102.74/x
  3. Step 3: Cross multiply
    3,324.48x = 4,985.42 × 1,102.74
  4. Step 4: Simplify right side
    3,324.48x = 5,497,622.05
  5. Step 5: Solve for x
    x = 5,497,622.05/3,324.48
  6. Step 6: Final answer
    x = 1,653.68

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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.