Home / 2,409.41-3,323.79-1,877.34

Finding the Fourth Proportional to 2,409.41, 3,323.79 and 1,877.34

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Solution

The fourth proportional to 2,409.41, 3,323.79 and 1,877.34 is: 2,589.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.41 : 3,323.79 = 1,877.34 : x
  2. Step 2: Convert to fraction form
    2,409.41/3,323.79 = 1,877.34/x
  3. Step 3: Cross multiply
    2,409.41x = 3,323.79 × 1,877.34
  4. Step 4: Simplify right side
    2,409.41x = 6,239,883.92
  5. Step 5: Solve for x
    x = 6,239,883.92/2,409.41
  6. Step 6: Final answer
    x = 2,589.79

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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.