Home / 2,589.49-3,875.73-1,969.84

Finding the Fourth Proportional to 2,589.49, 3,875.73 and 1,969.84

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Solution

The fourth proportional to 2,589.49, 3,875.73 and 1,969.84 is: 2,948.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.49 : 3,875.73 = 1,969.84 : x
  2. Step 2: Convert to fraction form
    2,589.49/3,875.73 = 1,969.84/x
  3. Step 3: Cross multiply
    2,589.49x = 3,875.73 × 1,969.84
  4. Step 4: Simplify right side
    2,589.49x = 7,634,567.98
  5. Step 5: Solve for x
    x = 7,634,567.98/2,589.49
  6. Step 6: Final answer
    x = 2,948.29

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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.