Home / 1,344.06-1,849.64-1,243.62

Finding the Fourth Proportional to 1,344.06, 1,849.64 and 1,243.62

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Solution

The fourth proportional to 1,344.06, 1,849.64 and 1,243.62 is: 1,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.06 : 1,849.64 = 1,243.62 : x
  2. Step 2: Convert to fraction form
    1,344.06/1,849.64 = 1,243.62/x
  3. Step 3: Cross multiply
    1,344.06x = 1,849.64 × 1,243.62
  4. Step 4: Simplify right side
    1,344.06x = 2,300,243.08
  5. Step 5: Solve for x
    x = 2,300,243.08/1,344.06
  6. Step 6: Final answer
    x = 1,711.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.