Home / 2,775.94-4,162.36-1,130.56

Finding the Fourth Proportional to 2,775.94, 4,162.36 and 1,130.56

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Solution

The fourth proportional to 2,775.94, 4,162.36 and 1,130.56 is: 1,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.94 : 4,162.36 = 1,130.56 : x
  2. Step 2: Convert to fraction form
    2,775.94/4,162.36 = 1,130.56/x
  3. Step 3: Cross multiply
    2,775.94x = 4,162.36 × 1,130.56
  4. Step 4: Simplify right side
    2,775.94x = 4,705,797.72
  5. Step 5: Solve for x
    x = 4,705,797.72/2,775.94
  6. Step 6: Final answer
    x = 1,695.21

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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.