Home / 1,805.49-2,708.06-1,224.23

Finding the Fourth Proportional to 1,805.49, 2,708.06 and 1,224.23

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Solution

The fourth proportional to 1,805.49, 2,708.06 and 1,224.23 is: 1,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.49 : 2,708.06 = 1,224.23 : x
  2. Step 2: Convert to fraction form
    1,805.49/2,708.06 = 1,224.23/x
  3. Step 3: Cross multiply
    1,805.49x = 2,708.06 × 1,224.23
  4. Step 4: Simplify right side
    1,805.49x = 3,315,288.29
  5. Step 5: Solve for x
    x = 3,315,288.29/1,805.49
  6. Step 6: Final answer
    x = 1,836.23

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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.