Home / 3,404.48-4,698.30-1,912.36

Finding the Fourth Proportional to 3,404.48, 4,698.30 and 1,912.36

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Solution

The fourth proportional to 3,404.48, 4,698.30 and 1,912.36 is: 2,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.48 : 4,698.30 = 1,912.36 : x
  2. Step 2: Convert to fraction form
    3,404.48/4,698.30 = 1,912.36/x
  3. Step 3: Cross multiply
    3,404.48x = 4,698.30 × 1,912.36
  4. Step 4: Simplify right side
    3,404.48x = 8,984,859.26
  5. Step 5: Solve for x
    x = 8,984,859.26/3,404.48
  6. Step 6: Final answer
    x = 2,639.13

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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.