Home / 2,053.86-3,080.79-1,231.10

Finding the Fourth Proportional to 2,053.86, 3,080.79 and 1,231.10

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Solution

The fourth proportional to 2,053.86, 3,080.79 and 1,231.10 is: 1,846.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.86 : 3,080.79 = 1,231.10 : x
  2. Step 2: Convert to fraction form
    2,053.86/3,080.79 = 1,231.10/x
  3. Step 3: Cross multiply
    2,053.86x = 3,080.79 × 1,231.10
  4. Step 4: Simplify right side
    2,053.86x = 3,792,754.41
  5. Step 5: Solve for x
    x = 3,792,754.41/2,053.86
  6. Step 6: Final answer
    x = 1,846.65

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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.