Home / 2,245.80-3,367.08-1,513.56

Finding the Fourth Proportional to 2,245.80, 3,367.08 and 1,513.56

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Solution

The fourth proportional to 2,245.80, 3,367.08 and 1,513.56 is: 2,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.80 : 3,367.08 = 1,513.56 : x
  2. Step 2: Convert to fraction form
    2,245.80/3,367.08 = 1,513.56/x
  3. Step 3: Cross multiply
    2,245.80x = 3,367.08 × 1,513.56
  4. Step 4: Simplify right side
    2,245.80x = 5,096,277.60
  5. Step 5: Solve for x
    x = 5,096,277.60/2,245.80
  6. Step 6: Final answer
    x = 2,269.25

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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.