Home / 1,571.56-2,169.25-1,074.02

Finding the Fourth Proportional to 1,571.56, 2,169.25 and 1,074.02

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Solution

The fourth proportional to 1,571.56, 2,169.25 and 1,074.02 is: 1,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.56 : 2,169.25 = 1,074.02 : x
  2. Step 2: Convert to fraction form
    1,571.56/2,169.25 = 1,074.02/x
  3. Step 3: Cross multiply
    1,571.56x = 2,169.25 × 1,074.02
  4. Step 4: Simplify right side
    1,571.56x = 2,329,804.35
  5. Step 5: Solve for x
    x = 2,329,804.35/1,571.56
  6. Step 6: Final answer
    x = 1,482.48

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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.