Home / 1,245.38-1,867.44-465.25

Finding the Fourth Proportional to 1,245.38, 1,867.44 and 465.25

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Solution

The fourth proportional to 1,245.38, 1,867.44 and 465.25 is: 697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245.38 : 1,867.44 = 465.25 : x
  2. Step 2: Convert to fraction form
    1,245.38/1,867.44 = 465.25/x
  3. Step 3: Cross multiply
    1,245.38x = 1,867.44 × 465.25
  4. Step 4: Simplify right side
    1,245.38x = 868,823.54
  5. Step 5: Solve for x
    x = 868,823.54/1,245.38
  6. Step 6: Final answer
    x = 697.64

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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.