Home / 2,786.04-3,845.58-1,607.88

Finding the Fourth Proportional to 2,786.04, 3,845.58 and 1,607.88

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Solution

The fourth proportional to 2,786.04, 3,845.58 and 1,607.88 is: 2,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.04 : 3,845.58 = 1,607.88 : x
  2. Step 2: Convert to fraction form
    2,786.04/3,845.58 = 1,607.88/x
  3. Step 3: Cross multiply
    2,786.04x = 3,845.58 × 1,607.88
  4. Step 4: Simplify right side
    2,786.04x = 6,183,231.17
  5. Step 5: Solve for x
    x = 6,183,231.17/2,786.04
  6. Step 6: Final answer
    x = 2,219.36

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1.5x scale

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.