Home / 2,368.31-3,554.20-1,911.56

Finding the Fourth Proportional to 2,368.31, 3,554.20 and 1,911.56

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Solution

The fourth proportional to 2,368.31, 3,554.20 and 1,911.56 is: 2,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.31 : 3,554.20 = 1,911.56 : x
  2. Step 2: Convert to fraction form
    2,368.31/3,554.20 = 1,911.56/x
  3. Step 3: Cross multiply
    2,368.31x = 3,554.20 × 1,911.56
  4. Step 4: Simplify right side
    2,368.31x = 6,794,044.00
  5. Step 5: Solve for x
    x = 6,794,044.00/2,368.31
  6. Step 6: Final answer
    x = 2,868.74

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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.