Home / 3,573.69-5,355-1,816.02

Finding the Fourth Proportional to 3,573.69, 5,355 and 1,816.02

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Solution

The fourth proportional to 3,573.69, 5,355 and 1,816.02 is: 2,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.69 : 5,355 = 1,816.02 : x
  2. Step 2: Convert to fraction form
    3,573.69/5,355 = 1,816.02/x
  3. Step 3: Cross multiply
    3,573.69x = 5,355 × 1,816.02
  4. Step 4: Simplify right side
    3,573.69x = 9,724,787.10
  5. Step 5: Solve for x
    x = 9,724,787.10/3,573.69
  6. Step 6: Final answer
    x = 2,721.22

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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.