Home / 2,939.47-4,056.53-1,613.25

Finding the Fourth Proportional to 2,939.47, 4,056.53 and 1,613.25

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Solution

The fourth proportional to 2,939.47, 4,056.53 and 1,613.25 is: 2,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.47 : 4,056.53 = 1,613.25 : x
  2. Step 2: Convert to fraction form
    2,939.47/4,056.53 = 1,613.25/x
  3. Step 3: Cross multiply
    2,939.47x = 4,056.53 × 1,613.25
  4. Step 4: Simplify right side
    2,939.47x = 6,544,198.03
  5. Step 5: Solve for x
    x = 6,544,198.03/2,939.47
  6. Step 6: Final answer
    x = 2,226.32

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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.