Home / 3,412.20-5,112.89-2,483.49

Finding the Fourth Proportional to 3,412.20, 5,112.89 and 2,483.49

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Solution

The fourth proportional to 3,412.20, 5,112.89 and 2,483.49 is: 3,721.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.20 : 5,112.89 = 2,483.49 : x
  2. Step 2: Convert to fraction form
    3,412.20/5,112.89 = 2,483.49/x
  3. Step 3: Cross multiply
    3,412.20x = 5,112.89 × 2,483.49
  4. Step 4: Simplify right side
    3,412.20x = 12,697,798.77
  5. Step 5: Solve for x
    x = 12,697,798.77/3,412.20
  6. Step 6: Final answer
    x = 3,721.29

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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.