Home / 1,960.14-2,705.03-1,075.99

Finding the Fourth Proportional to 1,960.14, 2,705.03 and 1,075.99

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Solution

The fourth proportional to 1,960.14, 2,705.03 and 1,075.99 is: 1,484.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.14 : 2,705.03 = 1,075.99 : x
  2. Step 2: Convert to fraction form
    1,960.14/2,705.03 = 1,075.99/x
  3. Step 3: Cross multiply
    1,960.14x = 2,705.03 × 1,075.99
  4. Step 4: Simplify right side
    1,960.14x = 2,910,585.23
  5. Step 5: Solve for x
    x = 2,910,585.23/1,960.14
  6. Step 6: Final answer
    x = 1,484.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.