Home / 2,033.20-3,045.88-1,212.13

Finding the Fourth Proportional to 2,033.20, 3,045.88 and 1,212.13

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Solution

The fourth proportional to 2,033.20, 3,045.88 and 1,212.13 is: 1,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033.20 : 3,045.88 = 1,212.13 : x
  2. Step 2: Convert to fraction form
    2,033.20/3,045.88 = 1,212.13/x
  3. Step 3: Cross multiply
    2,033.20x = 3,045.88 × 1,212.13
  4. Step 4: Simplify right side
    2,033.20x = 3,692,002.52
  5. Step 5: Solve for x
    x = 3,692,002.52/2,033.20
  6. Step 6: Final answer
    x = 1,815.86

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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.