Home / 2,311.47-3,467.27-1,012.91

Finding the Fourth Proportional to 2,311.47, 3,467.27 and 1,012.91

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Solution

The fourth proportional to 2,311.47, 3,467.27 and 1,012.91 is: 1,519.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.47 : 3,467.27 = 1,012.91 : x
  2. Step 2: Convert to fraction form
    2,311.47/3,467.27 = 1,012.91/x
  3. Step 3: Cross multiply
    2,311.47x = 3,467.27 × 1,012.91
  4. Step 4: Simplify right side
    2,311.47x = 3,512,017.65
  5. Step 5: Solve for x
    x = 3,512,017.65/2,311.47
  6. Step 6: Final answer
    x = 1,519.39

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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.