Home / 2,975.38-4,460.86-1,805.65

Finding the Fourth Proportional to 2,975.38, 4,460.86 and 1,805.65

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Solution

The fourth proportional to 2,975.38, 4,460.86 and 1,805.65 is: 2,707.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.38 : 4,460.86 = 1,805.65 : x
  2. Step 2: Convert to fraction form
    2,975.38/4,460.86 = 1,805.65/x
  3. Step 3: Cross multiply
    2,975.38x = 4,460.86 × 1,805.65
  4. Step 4: Simplify right side
    2,975.38x = 8,054,751.86
  5. Step 5: Solve for x
    x = 8,054,751.86/2,975.38
  6. Step 6: Final answer
    x = 2,707.13

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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.