Home / 3,320.86-4,981.26-1,584.22

Finding the Fourth Proportional to 3,320.86, 4,981.26 and 1,584.22

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Solution

The fourth proportional to 3,320.86, 4,981.26 and 1,584.22 is: 2,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.86 : 4,981.26 = 1,584.22 : x
  2. Step 2: Convert to fraction form
    3,320.86/4,981.26 = 1,584.22/x
  3. Step 3: Cross multiply
    3,320.86x = 4,981.26 × 1,584.22
  4. Step 4: Simplify right side
    3,320.86x = 7,891,411.72
  5. Step 5: Solve for x
    x = 7,891,411.72/3,320.86
  6. Step 6: Final answer
    x = 2,376.32

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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.