Home / 3,629.85-5,443.10-1,548.86

Finding the Fourth Proportional to 3,629.85, 5,443.10 and 1,548.86

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Solution

The fourth proportional to 3,629.85, 5,443.10 and 1,548.86 is: 2,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.85 : 5,443.10 = 1,548.86 : x
  2. Step 2: Convert to fraction form
    3,629.85/5,443.10 = 1,548.86/x
  3. Step 3: Cross multiply
    3,629.85x = 5,443.10 × 1,548.86
  4. Step 4: Simplify right side
    3,629.85x = 8,430,570.71
  5. Step 5: Solve for x
    x = 8,430,570.71/3,629.85
  6. Step 6: Final answer
    x = 2,322.57

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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.