Home / 2,409.28-3,324.71-1,361.34

Finding the Fourth Proportional to 2,409.28, 3,324.71 and 1,361.34

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Solution

The fourth proportional to 2,409.28, 3,324.71 and 1,361.34 is: 1,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.28 : 3,324.71 = 1,361.34 : x
  2. Step 2: Convert to fraction form
    2,409.28/3,324.71 = 1,361.34/x
  3. Step 3: Cross multiply
    2,409.28x = 3,324.71 × 1,361.34
  4. Step 4: Simplify right side
    2,409.28x = 4,526,064.11
  5. Step 5: Solve for x
    x = 4,526,064.11/2,409.28
  6. Step 6: Final answer
    x = 1,878.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.