Home / 2,813.40-3,882.44-1,554.50

Finding the Fourth Proportional to 2,813.40, 3,882.44 and 1,554.50

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Solution

The fourth proportional to 2,813.40, 3,882.44 and 1,554.50 is: 2,145.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.40 : 3,882.44 = 1,554.50 : x
  2. Step 2: Convert to fraction form
    2,813.40/3,882.44 = 1,554.50/x
  3. Step 3: Cross multiply
    2,813.40x = 3,882.44 × 1,554.50
  4. Step 4: Simplify right side
    2,813.40x = 6,035,252.98
  5. Step 5: Solve for x
    x = 6,035,252.98/2,813.40
  6. Step 6: Final answer
    x = 2,145.18

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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.