Home / 3,115.23-4,670.37-1,633.74

Finding the Fourth Proportional to 3,115.23, 4,670.37 and 1,633.74

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Solution

The fourth proportional to 3,115.23, 4,670.37 and 1,633.74 is: 2,449.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.23 : 4,670.37 = 1,633.74 : x
  2. Step 2: Convert to fraction form
    3,115.23/4,670.37 = 1,633.74/x
  3. Step 3: Cross multiply
    3,115.23x = 4,670.37 × 1,633.74
  4. Step 4: Simplify right side
    3,115.23x = 7,630,170.28
  5. Step 5: Solve for x
    x = 7,630,170.28/3,115.23
  6. Step 6: Final answer
    x = 2,449.31

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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.