Home / 2,974.60-4,458.66-2,106.28

Finding the Fourth Proportional to 2,974.60, 4,458.66 and 2,106.28

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Solution

The fourth proportional to 2,974.60, 4,458.66 and 2,106.28 is: 3,157.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.60 : 4,458.66 = 2,106.28 : x
  2. Step 2: Convert to fraction form
    2,974.60/4,458.66 = 2,106.28/x
  3. Step 3: Cross multiply
    2,974.60x = 4,458.66 × 2,106.28
  4. Step 4: Simplify right side
    2,974.60x = 9,391,186.38
  5. Step 5: Solve for x
    x = 9,391,186.38/2,974.60
  6. Step 6: Final answer
    x = 3,157.13

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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.