Home / 3,622.48-5,436.47-2,389.48

Finding the Fourth Proportional to 3,622.48, 5,436.47 and 2,389.48

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Solution

The fourth proportional to 3,622.48, 5,436.47 and 2,389.48 is: 3,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.48 : 5,436.47 = 2,389.48 : x
  2. Step 2: Convert to fraction form
    3,622.48/5,436.47 = 2,389.48/x
  3. Step 3: Cross multiply
    3,622.48x = 5,436.47 × 2,389.48
  4. Step 4: Simplify right side
    3,622.48x = 12,990,336.34
  5. Step 5: Solve for x
    x = 12,990,336.34/3,622.48
  6. Step 6: Final answer
    x = 3,586.03

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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.