Home / 2,206.79-3,045.41-1,262.67

Finding the Fourth Proportional to 2,206.79, 3,045.41 and 1,262.67

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Solution

The fourth proportional to 2,206.79, 3,045.41 and 1,262.67 is: 1,742.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.79 : 3,045.41 = 1,262.67 : x
  2. Step 2: Convert to fraction form
    2,206.79/3,045.41 = 1,262.67/x
  3. Step 3: Cross multiply
    2,206.79x = 3,045.41 × 1,262.67
  4. Step 4: Simplify right side
    2,206.79x = 3,845,347.84
  5. Step 5: Solve for x
    x = 3,845,347.84/2,206.79
  6. Step 6: Final answer
    x = 1,742.51

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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.