Home / 3,688.94-5,533.81-1,224.01

Finding the Fourth Proportional to 3,688.94, 5,533.81 and 1,224.01

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Solution

The fourth proportional to 3,688.94, 5,533.81 and 1,224.01 is: 1,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.94 : 5,533.81 = 1,224.01 : x
  2. Step 2: Convert to fraction form
    3,688.94/5,533.81 = 1,224.01/x
  3. Step 3: Cross multiply
    3,688.94x = 5,533.81 × 1,224.01
  4. Step 4: Simplify right side
    3,688.94x = 6,773,438.78
  5. Step 5: Solve for x
    x = 6,773,438.78/3,688.94
  6. Step 6: Final answer
    x = 1,836.15

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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.