Home / 3,769.32-5,653.56-2,378.68

Finding the Fourth Proportional to 3,769.32, 5,653.56 and 2,378.68

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Solution

The fourth proportional to 3,769.32, 5,653.56 and 2,378.68 is: 3,567.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.32 : 5,653.56 = 2,378.68 : x
  2. Step 2: Convert to fraction form
    3,769.32/5,653.56 = 2,378.68/x
  3. Step 3: Cross multiply
    3,769.32x = 5,653.56 × 2,378.68
  4. Step 4: Simplify right side
    3,769.32x = 13,448,010.10
  5. Step 5: Solve for x
    x = 13,448,010.10/3,769.32
  6. Step 6: Final answer
    x = 3,567.75

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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.