Home / 2,409.71-3,325.47-1,361.75

Finding the Fourth Proportional to 2,409.71, 3,325.47 and 1,361.75

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Solution

The fourth proportional to 2,409.71, 3,325.47 and 1,361.75 is: 1,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.71 : 3,325.47 = 1,361.75 : x
  2. Step 2: Convert to fraction form
    2,409.71/3,325.47 = 1,361.75/x
  3. Step 3: Cross multiply
    2,409.71x = 3,325.47 × 1,361.75
  4. Step 4: Simplify right side
    2,409.71x = 4,528,458.77
  5. Step 5: Solve for x
    x = 4,528,458.77/2,409.71
  6. Step 6: Final answer
    x = 1,879.25

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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.