Home / 1,664.43-2,483.99-1,479.91

Finding the Fourth Proportional to 1,664.43, 2,483.99 and 1,479.91

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Solution

The fourth proportional to 1,664.43, 2,483.99 and 1,479.91 is: 2,208.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.43 : 2,483.99 = 1,479.91 : x
  2. Step 2: Convert to fraction form
    1,664.43/2,483.99 = 1,479.91/x
  3. Step 3: Cross multiply
    1,664.43x = 2,483.99 × 1,479.91
  4. Step 4: Simplify right side
    1,664.43x = 3,676,069.22
  5. Step 5: Solve for x
    x = 3,676,069.22/1,664.43
  6. Step 6: Final answer
    x = 2,208.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.