Home / 3,386.25-5,075.48-1,305.22

Finding the Fourth Proportional to 3,386.25, 5,075.48 and 1,305.22

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Solution

The fourth proportional to 3,386.25, 5,075.48 and 1,305.22 is: 1,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.25 : 5,075.48 = 1,305.22 : x
  2. Step 2: Convert to fraction form
    3,386.25/5,075.48 = 1,305.22/x
  3. Step 3: Cross multiply
    3,386.25x = 5,075.48 × 1,305.22
  4. Step 4: Simplify right side
    3,386.25x = 6,624,608.58
  5. Step 5: Solve for x
    x = 6,624,608.58/3,386.25
  6. Step 6: Final answer
    x = 1,956.32

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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.