Home / 3,714.48-5,118.36-3,049.20

Finding the Fourth Proportional to 3,714.48, 5,118.36 and 3,049.20

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Solution

The fourth proportional to 3,714.48, 5,118.36 and 3,049.20 is: 4,201.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.48 : 5,118.36 = 3,049.20 : x
  2. Step 2: Convert to fraction form
    3,714.48/5,118.36 = 3,049.20/x
  3. Step 3: Cross multiply
    3,714.48x = 5,118.36 × 3,049.20
  4. Step 4: Simplify right side
    3,714.48x = 15,606,903.31
  5. Step 5: Solve for x
    x = 15,606,903.31/3,714.48
  6. Step 6: Final answer
    x = 4,201.64

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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.