Home / 3,158.87-4,359.22-1,832.90

Finding the Fourth Proportional to 3,158.87, 4,359.22 and 1,832.90

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Solution

The fourth proportional to 3,158.87, 4,359.22 and 1,832.90 is: 2,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.87 : 4,359.22 = 1,832.90 : x
  2. Step 2: Convert to fraction form
    3,158.87/4,359.22 = 1,832.90/x
  3. Step 3: Cross multiply
    3,158.87x = 4,359.22 × 1,832.90
  4. Step 4: Simplify right side
    3,158.87x = 7,989,987.96
  5. Step 5: Solve for x
    x = 7,989,987.96/3,158.87
  6. Step 6: Final answer
    x = 2,529.39

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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.