Home / 3,754.83-5,178.30-3,127.44

Finding the Fourth Proportional to 3,754.83, 5,178.30 and 3,127.44

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Solution

The fourth proportional to 3,754.83, 5,178.30 and 3,127.44 is: 4,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.83 : 5,178.30 = 3,127.44 : x
  2. Step 2: Convert to fraction form
    3,754.83/5,178.30 = 3,127.44/x
  3. Step 3: Cross multiply
    3,754.83x = 5,178.30 × 3,127.44
  4. Step 4: Simplify right side
    3,754.83x = 16,194,822.55
  5. Step 5: Solve for x
    x = 16,194,822.55/3,754.83
  6. Step 6: Final answer
    x = 4,313.06

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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.