Home / 2,939.94-4,057.02-1,613.64

Finding the Fourth Proportional to 2,939.94, 4,057.02 and 1,613.64

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Solution

The fourth proportional to 2,939.94, 4,057.02 and 1,613.64 is: 2,226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.94 : 4,057.02 = 1,613.64 : x
  2. Step 2: Convert to fraction form
    2,939.94/4,057.02 = 1,613.64/x
  3. Step 3: Cross multiply
    2,939.94x = 4,057.02 × 1,613.64
  4. Step 4: Simplify right side
    2,939.94x = 6,546,569.75
  5. Step 5: Solve for x
    x = 6,546,569.75/2,939.94
  6. Step 6: Final answer
    x = 2,226.77

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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.