Home / 2,718.83-4,078.26-1,075.77

Finding the Fourth Proportional to 2,718.83, 4,078.26 and 1,075.77

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Solution

The fourth proportional to 2,718.83, 4,078.26 and 1,075.77 is: 1,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.83 : 4,078.26 = 1,075.77 : x
  2. Step 2: Convert to fraction form
    2,718.83/4,078.26 = 1,075.77/x
  3. Step 3: Cross multiply
    2,718.83x = 4,078.26 × 1,075.77
  4. Step 4: Simplify right side
    2,718.83x = 4,387,269.76
  5. Step 5: Solve for x
    x = 4,387,269.76/2,718.83
  6. Step 6: Final answer
    x = 1,613.66

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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.