Home / 3,670.60-5,506.48-1,821.76

Finding the Fourth Proportional to 3,670.60, 5,506.48 and 1,821.76

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Solution

The fourth proportional to 3,670.60, 5,506.48 and 1,821.76 is: 2,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.60 : 5,506.48 = 1,821.76 : x
  2. Step 2: Convert to fraction form
    3,670.60/5,506.48 = 1,821.76/x
  3. Step 3: Cross multiply
    3,670.60x = 5,506.48 × 1,821.76
  4. Step 4: Simplify right side
    3,670.60x = 10,031,485.00
  5. Step 5: Solve for x
    x = 10,031,485.00/3,670.60
  6. Step 6: Final answer
    x = 2,732.93

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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.