Home / 3,686.84-5,526.92-2,206.52

Finding the Fourth Proportional to 3,686.84, 5,526.92 and 2,206.52

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Solution

The fourth proportional to 3,686.84, 5,526.92 and 2,206.52 is: 3,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.84 : 5,526.92 = 2,206.52 : x
  2. Step 2: Convert to fraction form
    3,686.84/5,526.92 = 2,206.52/x
  3. Step 3: Cross multiply
    3,686.84x = 5,526.92 × 2,206.52
  4. Step 4: Simplify right side
    3,686.84x = 12,195,259.52
  5. Step 5: Solve for x
    x = 12,195,259.52/3,686.84
  6. Step 6: Final answer
    x = 3,307.78

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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.