Home / 2,243.16-3,365.30-1,319.49

Finding the Fourth Proportional to 2,243.16, 3,365.30 and 1,319.49

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Solution

The fourth proportional to 2,243.16, 3,365.30 and 1,319.49 is: 1,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243.16 : 3,365.30 = 1,319.49 : x
  2. Step 2: Convert to fraction form
    2,243.16/3,365.30 = 1,319.49/x
  3. Step 3: Cross multiply
    2,243.16x = 3,365.30 × 1,319.49
  4. Step 4: Simplify right side
    2,243.16x = 4,440,483.00
  5. Step 5: Solve for x
    x = 4,440,483.00/2,243.16
  6. Step 6: Final answer
    x = 1,979.57

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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.