Home / 3,409.89-5,112.56-2,752.58

Finding the Fourth Proportional to 3,409.89, 5,112.56 and 2,752.58

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Solution

The fourth proportional to 3,409.89, 5,112.56 and 2,752.58 is: 4,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.89 : 5,112.56 = 2,752.58 : x
  2. Step 2: Convert to fraction form
    3,409.89/5,112.56 = 2,752.58/x
  3. Step 3: Cross multiply
    3,409.89x = 5,112.56 × 2,752.58
  4. Step 4: Simplify right side
    3,409.89x = 14,072,730.90
  5. Step 5: Solve for x
    x = 14,072,730.90/3,409.89
  6. Step 6: Final answer
    x = 4,127.03

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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.