Home / 3,409.02-5,111.14-1,327.27

Finding the Fourth Proportional to 3,409.02, 5,111.14 and 1,327.27

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Solution

The fourth proportional to 3,409.02, 5,111.14 and 1,327.27 is: 1,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.02 : 5,111.14 = 1,327.27 : x
  2. Step 2: Convert to fraction form
    3,409.02/5,111.14 = 1,327.27/x
  3. Step 3: Cross multiply
    3,409.02x = 5,111.14 × 1,327.27
  4. Step 4: Simplify right side
    3,409.02x = 6,783,830.60
  5. Step 5: Solve for x
    x = 6,783,830.60/3,409.02
  6. Step 6: Final answer
    x = 1,989.97

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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.