Home / 3,718.11-5,578.17-2,075.83

Finding the Fourth Proportional to 3,718.11, 5,578.17 and 2,075.83

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Solution

The fourth proportional to 3,718.11, 5,578.17 and 2,075.83 is: 3,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.11 : 5,578.17 = 2,075.83 : x
  2. Step 2: Convert to fraction form
    3,718.11/5,578.17 = 2,075.83/x
  3. Step 3: Cross multiply
    3,718.11x = 5,578.17 × 2,075.83
  4. Step 4: Simplify right side
    3,718.11x = 11,579,332.63
  5. Step 5: Solve for x
    x = 11,579,332.63/3,718.11
  6. Step 6: Final answer
    x = 3,114.31

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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.