Home / 3,424.44-4,725.50-1,911.98

Finding the Fourth Proportional to 3,424.44, 4,725.50 and 1,911.98

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Solution

The fourth proportional to 3,424.44, 4,725.50 and 1,911.98 is: 2,638.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.44 : 4,725.50 = 1,911.98 : x
  2. Step 2: Convert to fraction form
    3,424.44/4,725.50 = 1,911.98/x
  3. Step 3: Cross multiply
    3,424.44x = 4,725.50 × 1,911.98
  4. Step 4: Simplify right side
    3,424.44x = 9,035,061.49
  5. Step 5: Solve for x
    x = 9,035,061.49/3,424.44
  6. Step 6: Final answer
    x = 2,638.41

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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.