Home / 2,054.79-3,080.57-1,080.36

Finding the Fourth Proportional to 2,054.79, 3,080.57 and 1,080.36

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Solution

The fourth proportional to 2,054.79, 3,080.57 and 1,080.36 is: 1,619.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.79 : 3,080.57 = 1,080.36 : x
  2. Step 2: Convert to fraction form
    2,054.79/3,080.57 = 1,080.36/x
  3. Step 3: Cross multiply
    2,054.79x = 3,080.57 × 1,080.36
  4. Step 4: Simplify right side
    2,054.79x = 3,328,119.20
  5. Step 5: Solve for x
    x = 3,328,119.20/2,054.79
  6. Step 6: Final answer
    x = 1,619.69

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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.