Home / 3,157.16-4,728.54-1,514.86

Finding the Fourth Proportional to 3,157.16, 4,728.54 and 1,514.86

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Solution

The fourth proportional to 3,157.16, 4,728.54 and 1,514.86 is: 2,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.16 : 4,728.54 = 1,514.86 : x
  2. Step 2: Convert to fraction form
    3,157.16/4,728.54 = 1,514.86/x
  3. Step 3: Cross multiply
    3,157.16x = 4,728.54 × 1,514.86
  4. Step 4: Simplify right side
    3,157.16x = 7,163,076.10
  5. Step 5: Solve for x
    x = 7,163,076.10/3,157.16
  6. Step 6: Final answer
    x = 2,268.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.