Home / 2,975.40-4,460.04-2,001.78

Finding the Fourth Proportional to 2,975.40, 4,460.04 and 2,001.78

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Solution

The fourth proportional to 2,975.40, 4,460.04 and 2,001.78 is: 3,000.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.40 : 4,460.04 = 2,001.78 : x
  2. Step 2: Convert to fraction form
    2,975.40/4,460.04 = 2,001.78/x
  3. Step 3: Cross multiply
    2,975.40x = 4,460.04 × 2,001.78
  4. Step 4: Simplify right side
    2,975.40x = 8,928,018.87
  5. Step 5: Solve for x
    x = 8,928,018.87/2,975.40
  6. Step 6: Final answer
    x = 3,000.61

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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.