Home / 2,405.49-3,319.16-1,357.35

Finding the Fourth Proportional to 2,405.49, 3,319.16 and 1,357.35

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Solution

The fourth proportional to 2,405.49, 3,319.16 and 1,357.35 is: 1,872.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.49 : 3,319.16 = 1,357.35 : x
  2. Step 2: Convert to fraction form
    2,405.49/3,319.16 = 1,357.35/x
  3. Step 3: Cross multiply
    2,405.49x = 3,319.16 × 1,357.35
  4. Step 4: Simplify right side
    2,405.49x = 4,505,255.04
  5. Step 5: Solve for x
    x = 4,505,255.04/2,405.49
  6. Step 6: Final answer
    x = 1,872.91

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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.