Home / 3,678.49-5,075.93-2,262.26

Finding the Fourth Proportional to 3,678.49, 5,075.93 and 2,262.26

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Solution

The fourth proportional to 3,678.49, 5,075.93 and 2,262.26 is: 3,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.49 : 5,075.93 = 2,262.26 : x
  2. Step 2: Convert to fraction form
    3,678.49/5,075.93 = 2,262.26/x
  3. Step 3: Cross multiply
    3,678.49x = 5,075.93 × 2,262.26
  4. Step 4: Simplify right side
    3,678.49x = 11,483,073.40
  5. Step 5: Solve for x
    x = 11,483,073.40/3,678.49
  6. Step 6: Final answer
    x = 3,121.69

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1.5x scale

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.