Home / 3,523.58-4,851.47-2,991.36

Finding the Fourth Proportional to 3,523.58, 4,851.47 and 2,991.36

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Solution

The fourth proportional to 3,523.58, 4,851.47 and 2,991.36 is: 4,118.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.58 : 4,851.47 = 2,991.36 : x
  2. Step 2: Convert to fraction form
    3,523.58/4,851.47 = 2,991.36/x
  3. Step 3: Cross multiply
    3,523.58x = 4,851.47 × 2,991.36
  4. Step 4: Simplify right side
    3,523.58x = 14,512,493.30
  5. Step 5: Solve for x
    x = 14,512,493.30/3,523.58
  6. Step 6: Final answer
    x = 4,118.68

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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.