Home / 2,717.19-4,075.79-1,418.36

Finding the Fourth Proportional to 2,717.19, 4,075.79 and 1,418.36

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Solution

The fourth proportional to 2,717.19, 4,075.79 and 1,418.36 is: 2,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.19 : 4,075.79 = 1,418.36 : x
  2. Step 2: Convert to fraction form
    2,717.19/4,075.79 = 1,418.36/x
  3. Step 3: Cross multiply
    2,717.19x = 4,075.79 × 1,418.36
  4. Step 4: Simplify right side
    2,717.19x = 5,780,927.31
  5. Step 5: Solve for x
    x = 5,780,927.31/2,717.19
  6. Step 6: Final answer
    x = 2,127.54

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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.