Home / 2,791.65-3,852.58-1,532.85

Finding the Fourth Proportional to 2,791.65, 3,852.58 and 1,532.85

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Solution

The fourth proportional to 2,791.65, 3,852.58 and 1,532.85 is: 2,115.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.65 : 3,852.58 = 1,532.85 : x
  2. Step 2: Convert to fraction form
    2,791.65/3,852.58 = 1,532.85/x
  3. Step 3: Cross multiply
    2,791.65x = 3,852.58 × 1,532.85
  4. Step 4: Simplify right side
    2,791.65x = 5,905,416.22
  5. Step 5: Solve for x
    x = 5,905,416.22/2,791.65
  6. Step 6: Final answer
    x = 2,115.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.