Home / 2,011.96-3,014.36-1,231.58

Finding the Fourth Proportional to 2,011.96, 3,014.36 and 1,231.58

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Solution

The fourth proportional to 2,011.96, 3,014.36 and 1,231.58 is: 1,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.96 : 3,014.36 = 1,231.58 : x
  2. Step 2: Convert to fraction form
    2,011.96/3,014.36 = 1,231.58/x
  3. Step 3: Cross multiply
    2,011.96x = 3,014.36 × 1,231.58
  4. Step 4: Simplify right side
    2,011.96x = 3,712,425.49
  5. Step 5: Solve for x
    x = 3,712,425.49/2,011.96
  6. Step 6: Final answer
    x = 1,845.18

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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.