Home / 3,405.98-4,698.66-2,079.56

Finding the Fourth Proportional to 3,405.98, 4,698.66 and 2,079.56

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Solution

The fourth proportional to 3,405.98, 4,698.66 and 2,079.56 is: 2,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.98 : 4,698.66 = 2,079.56 : x
  2. Step 2: Convert to fraction form
    3,405.98/4,698.66 = 2,079.56/x
  3. Step 3: Cross multiply
    3,405.98x = 4,698.66 × 2,079.56
  4. Step 4: Simplify right side
    3,405.98x = 9,771,145.39
  5. Step 5: Solve for x
    x = 9,771,145.39/3,405.98
  6. Step 6: Final answer
    x = 2,868.82

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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.