Home / 3,688.24-5,533.02-1,222.60

Finding the Fourth Proportional to 3,688.24, 5,533.02 and 1,222.60

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Solution

The fourth proportional to 3,688.24, 5,533.02 and 1,222.60 is: 1,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.24 : 5,533.02 = 1,222.60 : x
  2. Step 2: Convert to fraction form
    3,688.24/5,533.02 = 1,222.60/x
  3. Step 3: Cross multiply
    3,688.24x = 5,533.02 × 1,222.60
  4. Step 4: Simplify right side
    3,688.24x = 6,764,670.25
  5. Step 5: Solve for x
    x = 6,764,670.25/3,688.24
  6. Step 6: Final answer
    x = 1,834.12

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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.