Home / 2,045.14-3,064.22-1,121.36

Finding the Fourth Proportional to 2,045.14, 3,064.22 and 1,121.36

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Solution

The fourth proportional to 2,045.14, 3,064.22 and 1,121.36 is: 1,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.14 : 3,064.22 = 1,121.36 : x
  2. Step 2: Convert to fraction form
    2,045.14/3,064.22 = 1,121.36/x
  3. Step 3: Cross multiply
    2,045.14x = 3,064.22 × 1,121.36
  4. Step 4: Simplify right side
    2,045.14x = 3,436,093.74
  5. Step 5: Solve for x
    x = 3,436,093.74/2,045.14
  6. Step 6: Final answer
    x = 1,680.13

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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.