Home / 1,404.32-2,107.29-1,383.26

Finding the Fourth Proportional to 1,404.32, 2,107.29 and 1,383.26

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Solution

The fourth proportional to 1,404.32, 2,107.29 and 1,383.26 is: 2,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404.32 : 2,107.29 = 1,383.26 : x
  2. Step 2: Convert to fraction form
    1,404.32/2,107.29 = 1,383.26/x
  3. Step 3: Cross multiply
    1,404.32x = 2,107.29 × 1,383.26
  4. Step 4: Simplify right side
    1,404.32x = 2,914,929.97
  5. Step 5: Solve for x
    x = 2,914,929.97/1,404.32
  6. Step 6: Final answer
    x = 2,075.69

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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.