Home / 2,754.30-4,131.45-1,022.58

Finding the Fourth Proportional to 2,754.30, 4,131.45 and 1,022.58

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Solution

The fourth proportional to 2,754.30, 4,131.45 and 1,022.58 is: 1,533.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.30 : 4,131.45 = 1,022.58 : x
  2. Step 2: Convert to fraction form
    2,754.30/4,131.45 = 1,022.58/x
  3. Step 3: Cross multiply
    2,754.30x = 4,131.45 × 1,022.58
  4. Step 4: Simplify right side
    2,754.30x = 4,224,738.14
  5. Step 5: Solve for x
    x = 4,224,738.14/2,754.30
  6. Step 6: Final answer
    x = 1,533.87

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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.