Home / 2,519.10-3,782.70-1,781.46

Finding the Fourth Proportional to 2,519.10, 3,782.70 and 1,781.46

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Solution

The fourth proportional to 2,519.10, 3,782.70 and 1,781.46 is: 2,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.10 : 3,782.70 = 1,781.46 : x
  2. Step 2: Convert to fraction form
    2,519.10/3,782.70 = 1,781.46/x
  3. Step 3: Cross multiply
    2,519.10x = 3,782.70 × 1,781.46
  4. Step 4: Simplify right side
    2,519.10x = 6,738,728.74
  5. Step 5: Solve for x
    x = 6,738,728.74/2,519.10
  6. Step 6: Final answer
    x = 2,675.05

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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.