Home / 1,868.49-2,799.09-1,373.99

Finding the Fourth Proportional to 1,868.49, 2,799.09 and 1,373.99

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Solution

The fourth proportional to 1,868.49, 2,799.09 and 1,373.99 is: 2,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.49 : 2,799.09 = 1,373.99 : x
  2. Step 2: Convert to fraction form
    1,868.49/2,799.09 = 1,373.99/x
  3. Step 3: Cross multiply
    1,868.49x = 2,799.09 × 1,373.99
  4. Step 4: Simplify right side
    1,868.49x = 3,845,907.67
  5. Step 5: Solve for x
    x = 3,845,907.67/1,868.49
  6. Step 6: Final answer
    x = 2,058.30

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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.