Home / 2,027.68-2,798.20-1,143.50

Finding the Fourth Proportional to 2,027.68, 2,798.20 and 1,143.50

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Solution

The fourth proportional to 2,027.68, 2,798.20 and 1,143.50 is: 1,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.68 : 2,798.20 = 1,143.50 : x
  2. Step 2: Convert to fraction form
    2,027.68/2,798.20 = 1,143.50/x
  3. Step 3: Cross multiply
    2,027.68x = 2,798.20 × 1,143.50
  4. Step 4: Simplify right side
    2,027.68x = 3,199,729.14
  5. Step 5: Solve for x
    x = 3,199,729.14/2,027.68
  6. Step 6: Final answer
    x = 1,578.03

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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.