Home / 2,011.90-3,012.36-1,523.56

Finding the Fourth Proportional to 2,011.90, 3,012.36 and 1,523.56

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Solution

The fourth proportional to 2,011.90, 3,012.36 and 1,523.56 is: 2,281.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.90 : 3,012.36 = 1,523.56 : x
  2. Step 2: Convert to fraction form
    2,011.90/3,012.36 = 1,523.56/x
  3. Step 3: Cross multiply
    2,011.90x = 3,012.36 × 1,523.56
  4. Step 4: Simplify right side
    2,011.90x = 4,589,511.20
  5. Step 5: Solve for x
    x = 4,589,511.20/2,011.90
  6. Step 6: Final answer
    x = 2,281.18

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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.