Home / 2,075.36-3,107.92-1,207.04

Finding the Fourth Proportional to 2,075.36, 3,107.92 and 1,207.04

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Solution

The fourth proportional to 2,075.36, 3,107.92 and 1,207.04 is: 1,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.36 : 3,107.92 = 1,207.04 : x
  2. Step 2: Convert to fraction form
    2,075.36/3,107.92 = 1,207.04/x
  3. Step 3: Cross multiply
    2,075.36x = 3,107.92 × 1,207.04
  4. Step 4: Simplify right side
    2,075.36x = 3,751,383.76
  5. Step 5: Solve for x
    x = 3,751,383.76/2,075.36
  6. Step 6: Final answer
    x = 1,807.58

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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.