Home / 2,300.14-3,449.26-913.28

Finding the Fourth Proportional to 2,300.14, 3,449.26 and 913.28

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Solution

The fourth proportional to 2,300.14, 3,449.26 and 913.28 is: 1,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,300.14 : 3,449.26 = 913.28 : x
  2. Step 2: Convert to fraction form
    2,300.14/3,449.26 = 913.28/x
  3. Step 3: Cross multiply
    2,300.14x = 3,449.26 × 913.28
  4. Step 4: Simplify right side
    2,300.14x = 3,150,148.80
  5. Step 5: Solve for x
    x = 3,150,148.80/2,300.14
  6. Step 6: Final answer
    x = 1,369.55

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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.