Home / 3,174.81-4,379.76-2,056.11

Finding the Fourth Proportional to 3,174.81, 4,379.76 and 2,056.11

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Solution

The fourth proportional to 3,174.81, 4,379.76 and 2,056.11 is: 2,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.81 : 4,379.76 = 2,056.11 : x
  2. Step 2: Convert to fraction form
    3,174.81/4,379.76 = 2,056.11/x
  3. Step 3: Cross multiply
    3,174.81x = 4,379.76 × 2,056.11
  4. Step 4: Simplify right side
    3,174.81x = 9,005,268.33
  5. Step 5: Solve for x
    x = 9,005,268.33/3,174.81
  6. Step 6: Final answer
    x = 2,836.47

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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.