Home / 2,795.09-3,856.99-1,536.08

Finding the Fourth Proportional to 2,795.09, 3,856.99 and 1,536.08

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Solution

The fourth proportional to 2,795.09, 3,856.99 and 1,536.08 is: 2,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.09 : 3,856.99 = 1,536.08 : x
  2. Step 2: Convert to fraction form
    2,795.09/3,856.99 = 1,536.08/x
  3. Step 3: Cross multiply
    2,795.09x = 3,856.99 × 1,536.08
  4. Step 4: Simplify right side
    2,795.09x = 5,924,635.56
  5. Step 5: Solve for x
    x = 5,924,635.56/2,795.09
  6. Step 6: Final answer
    x = 2,119.66

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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.