Home / 2,206.15-3,044.56-1,211.50

Finding the Fourth Proportional to 2,206.15, 3,044.56 and 1,211.50

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Solution

The fourth proportional to 2,206.15, 3,044.56 and 1,211.50 is: 1,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.15 : 3,044.56 = 1,211.50 : x
  2. Step 2: Convert to fraction form
    2,206.15/3,044.56 = 1,211.50/x
  3. Step 3: Cross multiply
    2,206.15x = 3,044.56 × 1,211.50
  4. Step 4: Simplify right side
    2,206.15x = 3,688,484.44
  5. Step 5: Solve for x
    x = 3,688,484.44/2,206.15
  6. Step 6: Final answer
    x = 1,671.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.