Home / 3,157.02-4,728.31-1,514.73

Finding the Fourth Proportional to 3,157.02, 4,728.31 and 1,514.73

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Solution

The fourth proportional to 3,157.02, 4,728.31 and 1,514.73 is: 2,268.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.02 : 4,728.31 = 1,514.73 : x
  2. Step 2: Convert to fraction form
    3,157.02/4,728.31 = 1,514.73/x
  3. Step 3: Cross multiply
    3,157.02x = 4,728.31 × 1,514.73
  4. Step 4: Simplify right side
    3,157.02x = 7,162,113.01
  5. Step 5: Solve for x
    x = 7,162,113.01/3,157.02
  6. Step 6: Final answer
    x = 2,268.63

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1.5x scale

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.