Home / 1,852.20-2,763.81-1,808.28

Finding the Fourth Proportional to 1,852.20, 2,763.81 and 1,808.28

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Solution

The fourth proportional to 1,852.20, 2,763.81 and 1,808.28 is: 2,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.20 : 2,763.81 = 1,808.28 : x
  2. Step 2: Convert to fraction form
    1,852.20/2,763.81 = 1,808.28/x
  3. Step 3: Cross multiply
    1,852.20x = 2,763.81 × 1,808.28
  4. Step 4: Simplify right side
    1,852.20x = 4,997,742.35
  5. Step 5: Solve for x
    x = 4,997,742.35/1,852.20
  6. Step 6: Final answer
    x = 2,698.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.