Home / 2,945.55-4,064.66-1,619.19

Finding the Fourth Proportional to 2,945.55, 4,064.66 and 1,619.19

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Solution

The fourth proportional to 2,945.55, 4,064.66 and 1,619.19 is: 2,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.55 : 4,064.66 = 1,619.19 : x
  2. Step 2: Convert to fraction form
    2,945.55/4,064.66 = 1,619.19/x
  3. Step 3: Cross multiply
    2,945.55x = 4,064.66 × 1,619.19
  4. Step 4: Simplify right side
    2,945.55x = 6,581,442.62
  5. Step 5: Solve for x
    x = 6,581,442.62/2,945.55
  6. Step 6: Final answer
    x = 2,234.37

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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.