Home / 2,206.19-3,044.50-1,211.45

Finding the Fourth Proportional to 2,206.19, 3,044.50 and 1,211.45

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Solution

The fourth proportional to 2,206.19, 3,044.50 and 1,211.45 is: 1,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.19 : 3,044.50 = 1,211.45 : x
  2. Step 2: Convert to fraction form
    2,206.19/3,044.50 = 1,211.45/x
  3. Step 3: Cross multiply
    2,206.19x = 3,044.50 × 1,211.45
  4. Step 4: Simplify right side
    2,206.19x = 3,688,259.53
  5. Step 5: Solve for x
    x = 3,688,259.53/2,206.19
  6. Step 6: Final answer
    x = 1,671.78

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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.