Home / 2,184.58-3,271.02-1,255.39

Finding the Fourth Proportional to 2,184.58, 3,271.02 and 1,255.39

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Solution

The fourth proportional to 2,184.58, 3,271.02 and 1,255.39 is: 1,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.58 : 3,271.02 = 1,255.39 : x
  2. Step 2: Convert to fraction form
    2,184.58/3,271.02 = 1,255.39/x
  3. Step 3: Cross multiply
    2,184.58x = 3,271.02 × 1,255.39
  4. Step 4: Simplify right side
    2,184.58x = 4,106,405.80
  5. Step 5: Solve for x
    x = 4,106,405.80/2,184.58
  6. Step 6: Final answer
    x = 1,879.72

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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.