Home / 2,206.42-3,044.90-1,211.76

Finding the Fourth Proportional to 2,206.42, 3,044.90 and 1,211.76

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Solution

The fourth proportional to 2,206.42, 3,044.90 and 1,211.76 is: 1,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.42 : 3,044.90 = 1,211.76 : x
  2. Step 2: Convert to fraction form
    2,206.42/3,044.90 = 1,211.76/x
  3. Step 3: Cross multiply
    2,206.42x = 3,044.90 × 1,211.76
  4. Step 4: Simplify right side
    2,206.42x = 3,689,688.02
  5. Step 5: Solve for x
    x = 3,689,688.02/2,206.42
  6. Step 6: Final answer
    x = 1,672.25

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1.5x scale

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.