Home / 2,285.55-3,427.31-1,245.24

Finding the Fourth Proportional to 2,285.55, 3,427.31 and 1,245.24

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Solution

The fourth proportional to 2,285.55, 3,427.31 and 1,245.24 is: 1,867.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.55 : 3,427.31 = 1,245.24 : x
  2. Step 2: Convert to fraction form
    2,285.55/3,427.31 = 1,245.24/x
  3. Step 3: Cross multiply
    2,285.55x = 3,427.31 × 1,245.24
  4. Step 4: Simplify right side
    2,285.55x = 4,267,826.62
  5. Step 5: Solve for x
    x = 4,267,826.62/2,285.55
  6. Step 6: Final answer
    x = 1,867.31

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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.