Home / 3,384.90-5,076.63-1,075.14

Finding the Fourth Proportional to 3,384.90, 5,076.63 and 1,075.14

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Solution

The fourth proportional to 3,384.90, 5,076.63 and 1,075.14 is: 1,612.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.90 : 5,076.63 = 1,075.14 : x
  2. Step 2: Convert to fraction form
    3,384.90/5,076.63 = 1,075.14/x
  3. Step 3: Cross multiply
    3,384.90x = 5,076.63 × 1,075.14
  4. Step 4: Simplify right side
    3,384.90x = 5,458,087.98
  5. Step 5: Solve for x
    x = 5,458,087.98/3,384.90
  6. Step 6: Final answer
    x = 1,612.48

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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.