Home / 2,080.74-2,871.77-1,241.48

Finding the Fourth Proportional to 2,080.74, 2,871.77 and 1,241.48

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Solution

The fourth proportional to 2,080.74, 2,871.77 and 1,241.48 is: 1,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.74 : 2,871.77 = 1,241.48 : x
  2. Step 2: Convert to fraction form
    2,080.74/2,871.77 = 1,241.48/x
  3. Step 3: Cross multiply
    2,080.74x = 2,871.77 × 1,241.48
  4. Step 4: Simplify right side
    2,080.74x = 3,565,245.02
  5. Step 5: Solve for x
    x = 3,565,245.02/2,080.74
  6. Step 6: Final answer
    x = 1,713.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.