Home / 1,245.00-1,867.38-367.46

Finding the Fourth Proportional to 1,245.00, 1,867.38 and 367.46

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Solution

The fourth proportional to 1,245.00, 1,867.38 and 367.46 is: 551.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245.00 : 1,867.38 = 367.46 : x
  2. Step 2: Convert to fraction form
    1,245.00/1,867.38 = 367.46/x
  3. Step 3: Cross multiply
    1,245.00x = 1,867.38 × 367.46
  4. Step 4: Simplify right side
    1,245.00x = 686,190.03
  5. Step 5: Solve for x
    x = 686,190.03/1,245.00
  6. Step 6: Final answer
    x = 551.16

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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.