Home / 2,245.68-3,365.28-945.36

Finding the Fourth Proportional to 2,245.68, 3,365.28 and 945.36

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Solution

The fourth proportional to 2,245.68, 3,365.28 and 945.36 is: 1,416.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.68 : 3,365.28 = 945.36 : x
  2. Step 2: Convert to fraction form
    2,245.68/3,365.28 = 945.36/x
  3. Step 3: Cross multiply
    2,245.68x = 3,365.28 × 945.36
  4. Step 4: Simplify right side
    2,245.68x = 3,181,401.10
  5. Step 5: Solve for x
    x = 3,181,401.10/2,245.68
  6. Step 6: Final answer
    x = 1,416.68

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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.