Home / 3,075.77-4,617.91-1,691.28

Finding the Fourth Proportional to 3,075.77, 4,617.91 and 1,691.28

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Solution

The fourth proportional to 3,075.77, 4,617.91 and 1,691.28 is: 2,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.77 : 4,617.91 = 1,691.28 : x
  2. Step 2: Convert to fraction form
    3,075.77/4,617.91 = 1,691.28/x
  3. Step 3: Cross multiply
    3,075.77x = 4,617.91 × 1,691.28
  4. Step 4: Simplify right side
    3,075.77x = 7,810,180.94
  5. Step 5: Solve for x
    x = 7,810,180.94/3,075.77
  6. Step 6: Final answer
    x = 2,539.26

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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.