Home / 2,866.05-4,287.08-2,575.65

Finding the Fourth Proportional to 2,866.05, 4,287.08 and 2,575.65

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Solution

The fourth proportional to 2,866.05, 4,287.08 and 2,575.65 is: 3,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.05 : 4,287.08 = 2,575.65 : x
  2. Step 2: Convert to fraction form
    2,866.05/4,287.08 = 2,575.65/x
  3. Step 3: Cross multiply
    2,866.05x = 4,287.08 × 2,575.65
  4. Step 4: Simplify right side
    2,866.05x = 11,042,004.72
  5. Step 5: Solve for x
    x = 11,042,004.72/2,866.05
  6. Step 6: Final answer
    x = 3,852.69

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1.5x scale

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.