Home / 2,939.23-4,056.19-1,613.06

Finding the Fourth Proportional to 2,939.23, 4,056.19 and 1,613.06

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Solution

The fourth proportional to 2,939.23, 4,056.19 and 1,613.06 is: 2,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.23 : 4,056.19 = 1,613.06 : x
  2. Step 2: Convert to fraction form
    2,939.23/4,056.19 = 1,613.06/x
  3. Step 3: Cross multiply
    2,939.23x = 4,056.19 × 1,613.06
  4. Step 4: Simplify right side
    2,939.23x = 6,542,861.90
  5. Step 5: Solve for x
    x = 6,542,861.90/2,939.23
  6. Step 6: Final answer
    x = 2,226.05

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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.