Home / 3,436.92-4,739.46-2,941.20

Finding the Fourth Proportional to 3,436.92, 4,739.46 and 2,941.20

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Solution

The fourth proportional to 3,436.92, 4,739.46 and 2,941.20 is: 4,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.92 : 4,739.46 = 2,941.20 : x
  2. Step 2: Convert to fraction form
    3,436.92/4,739.46 = 2,941.20/x
  3. Step 3: Cross multiply
    3,436.92x = 4,739.46 × 2,941.20
  4. Step 4: Simplify right side
    3,436.92x = 13,939,699.75
  5. Step 5: Solve for x
    x = 13,939,699.75/3,436.92
  6. Step 6: Final answer
    x = 4,055.87

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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.