Home / 3,608.84-5,409.06-1,528.15

Finding the Fourth Proportional to 3,608.84, 5,409.06 and 1,528.15

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Solution

The fourth proportional to 3,608.84, 5,409.06 and 1,528.15 is: 2,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.84 : 5,409.06 = 1,528.15 : x
  2. Step 2: Convert to fraction form
    3,608.84/5,409.06 = 1,528.15/x
  3. Step 3: Cross multiply
    3,608.84x = 5,409.06 × 1,528.15
  4. Step 4: Simplify right side
    3,608.84x = 8,265,855.04
  5. Step 5: Solve for x
    x = 8,265,855.04/3,608.84
  6. Step 6: Final answer
    x = 2,290.45

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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.