Home / 2,011.23-3,018.06-1,281.06

Finding the Fourth Proportional to 2,011.23, 3,018.06 and 1,281.06

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Solution

The fourth proportional to 2,011.23, 3,018.06 and 1,281.06 is: 1,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.23 : 3,018.06 = 1,281.06 : x
  2. Step 2: Convert to fraction form
    2,011.23/3,018.06 = 1,281.06/x
  3. Step 3: Cross multiply
    2,011.23x = 3,018.06 × 1,281.06
  4. Step 4: Simplify right side
    2,011.23x = 3,866,315.94
  5. Step 5: Solve for x
    x = 3,866,315.94/2,011.23
  6. Step 6: Final answer
    x = 1,922.36

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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.