Home / 3,420.49-5,124.03-3,048.57

Finding the Fourth Proportional to 3,420.49, 5,124.03 and 3,048.57

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Solution

The fourth proportional to 3,420.49, 5,124.03 and 3,048.57 is: 4,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.49 : 5,124.03 = 3,048.57 : x
  2. Step 2: Convert to fraction form
    3,420.49/5,124.03 = 3,048.57/x
  3. Step 3: Cross multiply
    3,420.49x = 5,124.03 × 3,048.57
  4. Step 4: Simplify right side
    3,420.49x = 15,620,923.27
  5. Step 5: Solve for x
    x = 15,620,923.27/3,420.49
  6. Step 6: Final answer
    x = 4,566.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.