Home / 3,308.07-4,565.10-1,981.77

Finding the Fourth Proportional to 3,308.07, 4,565.10 and 1,981.77

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Solution

The fourth proportional to 3,308.07, 4,565.10 and 1,981.77 is: 2,734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.07 : 4,565.10 = 1,981.77 : x
  2. Step 2: Convert to fraction form
    3,308.07/4,565.10 = 1,981.77/x
  3. Step 3: Cross multiply
    3,308.07x = 4,565.10 × 1,981.77
  4. Step 4: Simplify right side
    3,308.07x = 9,046,978.23
  5. Step 5: Solve for x
    x = 9,046,978.23/3,308.07
  6. Step 6: Final answer
    x = 2,734.82

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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.