Home / 2,053.88-3,081.68-1,080.60

Finding the Fourth Proportional to 2,053.88, 3,081.68 and 1,080.60

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Solution

The fourth proportional to 2,053.88, 3,081.68 and 1,080.60 is: 1,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.88 : 3,081.68 = 1,080.60 : x
  2. Step 2: Convert to fraction form
    2,053.88/3,081.68 = 1,080.60/x
  3. Step 3: Cross multiply
    2,053.88x = 3,081.68 × 1,080.60
  4. Step 4: Simplify right side
    2,053.88x = 3,330,063.41
  5. Step 5: Solve for x
    x = 3,330,063.41/2,053.88
  6. Step 6: Final answer
    x = 1,621.35

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1.5x scale

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.