Home / 2,075.41-2,864-1,143.91

Finding the Fourth Proportional to 2,075.41, 2,864 and 1,143.91

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Solution

The fourth proportional to 2,075.41, 2,864 and 1,143.91 is: 1,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.41 : 2,864 = 1,143.91 : x
  2. Step 2: Convert to fraction form
    2,075.41/2,864 = 1,143.91/x
  3. Step 3: Cross multiply
    2,075.41x = 2,864 × 1,143.91
  4. Step 4: Simplify right side
    2,075.41x = 3,276,143.92
  5. Step 5: Solve for x
    x = 3,276,143.92/2,075.41
  6. Step 6: Final answer
    x = 1,578.56

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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.