Home / 2,647.26-3,653.19-1,528.16

Finding the Fourth Proportional to 2,647.26, 3,653.19 and 1,528.16

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Solution

The fourth proportional to 2,647.26, 3,653.19 and 1,528.16 is: 2,108.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.26 : 3,653.19 = 1,528.16 : x
  2. Step 2: Convert to fraction form
    2,647.26/3,653.19 = 1,528.16/x
  3. Step 3: Cross multiply
    2,647.26x = 3,653.19 × 1,528.16
  4. Step 4: Simplify right side
    2,647.26x = 5,582,640.56
  5. Step 5: Solve for x
    x = 5,582,640.56/2,647.26
  6. Step 6: Final answer
    x = 2,108.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.