Home / 2,212.64-3,050.20-1,582.04

Finding the Fourth Proportional to 2,212.64, 3,050.20 and 1,582.04

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Solution

The fourth proportional to 2,212.64, 3,050.20 and 1,582.04 is: 2,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.64 : 3,050.20 = 1,582.04 : x
  2. Step 2: Convert to fraction form
    2,212.64/3,050.20 = 1,582.04/x
  3. Step 3: Cross multiply
    2,212.64x = 3,050.20 × 1,582.04
  4. Step 4: Simplify right side
    2,212.64x = 4,825,538.41
  5. Step 5: Solve for x
    x = 4,825,538.41/2,212.64
  6. Step 6: Final answer
    x = 2,180.90

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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.