Home / 3,655.50-5,045.87-2,183.50

Finding the Fourth Proportional to 3,655.50, 5,045.87 and 2,183.50

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Solution

The fourth proportional to 3,655.50, 5,045.87 and 2,183.50 is: 3,013.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.50 : 5,045.87 = 2,183.50 : x
  2. Step 2: Convert to fraction form
    3,655.50/5,045.87 = 2,183.50/x
  3. Step 3: Cross multiply
    3,655.50x = 5,045.87 × 2,183.50
  4. Step 4: Simplify right side
    3,655.50x = 11,017,657.15
  5. Step 5: Solve for x
    x = 11,017,657.15/3,655.50
  6. Step 6: Final answer
    x = 3,013.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.