Home / 3,685.33-5,528-1,090.09

Finding the Fourth Proportional to 3,685.33, 5,528 and 1,090.09

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Solution

The fourth proportional to 3,685.33, 5,528 and 1,090.09 is: 1,635.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.33 : 5,528 = 1,090.09 : x
  2. Step 2: Convert to fraction form
    3,685.33/5,528 = 1,090.09/x
  3. Step 3: Cross multiply
    3,685.33x = 5,528 × 1,090.09
  4. Step 4: Simplify right side
    3,685.33x = 6,026,017.52
  5. Step 5: Solve for x
    x = 6,026,017.52/3,685.33
  6. Step 6: Final answer
    x = 1,635.14

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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.