Home / 1,816.98-2,721.48-1,424.34

Finding the Fourth Proportional to 1,816.98, 2,721.48 and 1,424.34

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Solution

The fourth proportional to 1,816.98, 2,721.48 and 1,424.34 is: 2,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.98 : 2,721.48 = 1,424.34 : x
  2. Step 2: Convert to fraction form
    1,816.98/2,721.48 = 1,424.34/x
  3. Step 3: Cross multiply
    1,816.98x = 2,721.48 × 1,424.34
  4. Step 4: Simplify right side
    1,816.98x = 3,876,312.82
  5. Step 5: Solve for x
    x = 3,876,312.82/1,816.98
  6. Step 6: Final answer
    x = 2,133.38

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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.