Home / 1,349.36-2,022.68-1,075.92

Finding the Fourth Proportional to 1,349.36, 2,022.68 and 1,075.92

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Solution

The fourth proportional to 1,349.36, 2,022.68 and 1,075.92 is: 1,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.36 : 2,022.68 = 1,075.92 : x
  2. Step 2: Convert to fraction form
    1,349.36/2,022.68 = 1,075.92/x
  3. Step 3: Cross multiply
    1,349.36x = 2,022.68 × 1,075.92
  4. Step 4: Simplify right side
    1,349.36x = 2,176,241.87
  5. Step 5: Solve for x
    x = 2,176,241.87/1,349.36
  6. Step 6: Final answer
    x = 1,612.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.