Home / 3,678.36-5,075.37-2,350.50

Finding the Fourth Proportional to 3,678.36, 5,075.37 and 2,350.50

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Solution

The fourth proportional to 3,678.36, 5,075.37 and 2,350.50 is: 3,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.36 : 5,075.37 = 2,350.50 : x
  2. Step 2: Convert to fraction form
    3,678.36/5,075.37 = 2,350.50/x
  3. Step 3: Cross multiply
    3,678.36x = 5,075.37 × 2,350.50
  4. Step 4: Simplify right side
    3,678.36x = 11,929,657.19
  5. Step 5: Solve for x
    x = 11,929,657.19/3,678.36
  6. Step 6: Final answer
    x = 3,243.20

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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.