Home / 2,119.97-3,176.87-1,023.05

Finding the Fourth Proportional to 2,119.97, 3,176.87 and 1,023.05

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Solution

The fourth proportional to 2,119.97, 3,176.87 and 1,023.05 is: 1,533.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.97 : 3,176.87 = 1,023.05 : x
  2. Step 2: Convert to fraction form
    2,119.97/3,176.87 = 1,023.05/x
  3. Step 3: Cross multiply
    2,119.97x = 3,176.87 × 1,023.05
  4. Step 4: Simplify right side
    2,119.97x = 3,250,075.85
  5. Step 5: Solve for x
    x = 3,250,075.85/2,119.97
  6. Step 6: Final answer
    x = 1,533.08

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1.5x scale

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.