Home / 2,519.02-3,777.90-1,131.58

Finding the Fourth Proportional to 2,519.02, 3,777.90 and 1,131.58

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Solution

The fourth proportional to 2,519.02, 3,777.90 and 1,131.58 is: 1,697.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.02 : 3,777.90 = 1,131.58 : x
  2. Step 2: Convert to fraction form
    2,519.02/3,777.90 = 1,131.58/x
  3. Step 3: Cross multiply
    2,519.02x = 3,777.90 × 1,131.58
  4. Step 4: Simplify right side
    2,519.02x = 4,274,996.08
  5. Step 5: Solve for x
    x = 4,274,996.08/2,519.02
  6. Step 6: Final answer
    x = 1,697.09

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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.