Home / 3,308.69-4,565.14-1,981.46

Finding the Fourth Proportional to 3,308.69, 4,565.14 and 1,981.46

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Solution

The fourth proportional to 3,308.69, 4,565.14 and 1,981.46 is: 2,733.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.69 : 4,565.14 = 1,981.46 : x
  2. Step 2: Convert to fraction form
    3,308.69/4,565.14 = 1,981.46/x
  3. Step 3: Cross multiply
    3,308.69x = 4,565.14 × 1,981.46
  4. Step 4: Simplify right side
    3,308.69x = 9,045,614.53
  5. Step 5: Solve for x
    x = 9,045,614.53/3,308.69
  6. Step 6: Final answer
    x = 2,733.89

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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.