Home / 1,355.26-2,033.49-1,047.04

Finding the Fourth Proportional to 1,355.26, 2,033.49 and 1,047.04

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Solution

The fourth proportional to 1,355.26, 2,033.49 and 1,047.04 is: 1,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355.26 : 2,033.49 = 1,047.04 : x
  2. Step 2: Convert to fraction form
    1,355.26/2,033.49 = 1,047.04/x
  3. Step 3: Cross multiply
    1,355.26x = 2,033.49 × 1,047.04
  4. Step 4: Simplify right side
    1,355.26x = 2,129,145.37
  5. Step 5: Solve for x
    x = 2,129,145.37/1,355.26
  6. Step 6: Final answer
    x = 1,571.02

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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.