Home / 2,763.23-3,812.62-2,017.59

Finding the Fourth Proportional to 2,763.23, 3,812.62 and 2,017.59

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Solution

The fourth proportional to 2,763.23, 3,812.62 and 2,017.59 is: 2,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.23 : 3,812.62 = 2,017.59 : x
  2. Step 2: Convert to fraction form
    2,763.23/3,812.62 = 2,017.59/x
  3. Step 3: Cross multiply
    2,763.23x = 3,812.62 × 2,017.59
  4. Step 4: Simplify right side
    2,763.23x = 7,692,303.99
  5. Step 5: Solve for x
    x = 7,692,303.99/2,763.23
  6. Step 6: Final answer
    x = 2,783.81

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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.