Home / 3,180.34-4,775.94-2,071.65

Finding the Fourth Proportional to 3,180.34, 4,775.94 and 2,071.65

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Solution

The fourth proportional to 3,180.34, 4,775.94 and 2,071.65 is: 3,111.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.34 : 4,775.94 = 2,071.65 : x
  2. Step 2: Convert to fraction form
    3,180.34/4,775.94 = 2,071.65/x
  3. Step 3: Cross multiply
    3,180.34x = 4,775.94 × 2,071.65
  4. Step 4: Simplify right side
    3,180.34x = 9,894,074.75
  5. Step 5: Solve for x
    x = 9,894,074.75/3,180.34
  6. Step 6: Final answer
    x = 3,111.01

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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.