Home / 3,677.40-5,518.26-1,485.81

Finding the Fourth Proportional to 3,677.40, 5,518.26 and 1,485.81

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Solution

The fourth proportional to 3,677.40, 5,518.26 and 1,485.81 is: 2,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.40 : 5,518.26 = 1,485.81 : x
  2. Step 2: Convert to fraction form
    3,677.40/5,518.26 = 1,485.81/x
  3. Step 3: Cross multiply
    3,677.40x = 5,518.26 × 1,485.81
  4. Step 4: Simplify right side
    3,677.40x = 8,199,085.89
  5. Step 5: Solve for x
    x = 8,199,085.89/3,677.40
  6. Step 6: Final answer
    x = 2,229.59

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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.