Home / 2,715.08-3,747.03-1,536.44

Finding the Fourth Proportional to 2,715.08, 3,747.03 and 1,536.44

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Solution

The fourth proportional to 2,715.08, 3,747.03 and 1,536.44 is: 2,120.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.08 : 3,747.03 = 1,536.44 : x
  2. Step 2: Convert to fraction form
    2,715.08/3,747.03 = 1,536.44/x
  3. Step 3: Cross multiply
    2,715.08x = 3,747.03 × 1,536.44
  4. Step 4: Simplify right side
    2,715.08x = 5,757,086.77
  5. Step 5: Solve for x
    x = 5,757,086.77/2,715.08
  6. Step 6: Final answer
    x = 2,120.41

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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.