Home / 3,768.08-5,653.44-1,689.56

Finding the Fourth Proportional to 3,768.08, 5,653.44 and 1,689.56

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Solution

The fourth proportional to 3,768.08, 5,653.44 and 1,689.56 is: 2,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.08 : 5,653.44 = 1,689.56 : x
  2. Step 2: Convert to fraction form
    3,768.08/5,653.44 = 1,689.56/x
  3. Step 3: Cross multiply
    3,768.08x = 5,653.44 × 1,689.56
  4. Step 4: Simplify right side
    3,768.08x = 9,551,826.09
  5. Step 5: Solve for x
    x = 9,551,826.09/3,768.08
  6. Step 6: Final answer
    x = 2,534.93

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1.5x scale

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.