Home / 3,689.48-5,097.96-2,949.54

Finding the Fourth Proportional to 3,689.48, 5,097.96 and 2,949.54

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Solution

The fourth proportional to 3,689.48, 5,097.96 and 2,949.54 is: 4,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.48 : 5,097.96 = 2,949.54 : x
  2. Step 2: Convert to fraction form
    3,689.48/5,097.96 = 2,949.54/x
  3. Step 3: Cross multiply
    3,689.48x = 5,097.96 × 2,949.54
  4. Step 4: Simplify right side
    3,689.48x = 15,036,636.94
  5. Step 5: Solve for x
    x = 15,036,636.94/3,689.48
  6. Step 6: Final answer
    x = 4,075.55

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1.5x scale

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.