Home / 3,112.03-4,669.05-1,262.20

Finding the Fourth Proportional to 3,112.03, 4,669.05 and 1,262.20

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Solution

The fourth proportional to 3,112.03, 4,669.05 and 1,262.20 is: 1,893.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.03 : 4,669.05 = 1,262.20 : x
  2. Step 2: Convert to fraction form
    3,112.03/4,669.05 = 1,262.20/x
  3. Step 3: Cross multiply
    3,112.03x = 4,669.05 × 1,262.20
  4. Step 4: Simplify right side
    3,112.03x = 5,893,274.91
  5. Step 5: Solve for x
    x = 5,893,274.91/3,112.03
  6. Step 6: Final answer
    x = 1,893.71

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1.5x scale

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.