Home / 2,405.33-3,319.07-1,357.32

Finding the Fourth Proportional to 2,405.33, 3,319.07 and 1,357.32

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Solution

The fourth proportional to 2,405.33, 3,319.07 and 1,357.32 is: 1,872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.33 : 3,319.07 = 1,357.32 : x
  2. Step 2: Convert to fraction form
    2,405.33/3,319.07 = 1,357.32/x
  3. Step 3: Cross multiply
    2,405.33x = 3,319.07 × 1,357.32
  4. Step 4: Simplify right side
    2,405.33x = 4,505,033.31
  5. Step 5: Solve for x
    x = 4,505,033.31/2,405.33
  6. Step 6: Final answer
    x = 1,872.94

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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.