Home / 3,075.26-4,614.39-1,319.75

Finding the Fourth Proportional to 3,075.26, 4,614.39 and 1,319.75

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Solution

The fourth proportional to 3,075.26, 4,614.39 and 1,319.75 is: 1,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.26 : 4,614.39 = 1,319.75 : x
  2. Step 2: Convert to fraction form
    3,075.26/4,614.39 = 1,319.75/x
  3. Step 3: Cross multiply
    3,075.26x = 4,614.39 × 1,319.75
  4. Step 4: Simplify right side
    3,075.26x = 6,089,818.13
  5. Step 5: Solve for x
    x = 6,089,818.13/3,075.26
  6. Step 6: Final answer
    x = 1,980.26

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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.