Home / 2,786.32-4,176.72-1,554.28

Finding the Fourth Proportional to 2,786.32, 4,176.72 and 1,554.28

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Solution

The fourth proportional to 2,786.32, 4,176.72 and 1,554.28 is: 2,329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.32 : 4,176.72 = 1,554.28 : x
  2. Step 2: Convert to fraction form
    2,786.32/4,176.72 = 1,554.28/x
  3. Step 3: Cross multiply
    2,786.32x = 4,176.72 × 1,554.28
  4. Step 4: Simplify right side
    2,786.32x = 6,491,792.36
  5. Step 5: Solve for x
    x = 6,491,792.36/2,786.32
  6. Step 6: Final answer
    x = 2,329.88

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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.