Home / 2,912.05-4,016.34-2,059.81

Finding the Fourth Proportional to 2,912.05, 4,016.34 and 2,059.81

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Solution

The fourth proportional to 2,912.05, 4,016.34 and 2,059.81 is: 2,840.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.05 : 4,016.34 = 2,059.81 : x
  2. Step 2: Convert to fraction form
    2,912.05/4,016.34 = 2,059.81/x
  3. Step 3: Cross multiply
    2,912.05x = 4,016.34 × 2,059.81
  4. Step 4: Simplify right side
    2,912.05x = 8,272,897.30
  5. Step 5: Solve for x
    x = 8,272,897.30/2,912.05
  6. Step 6: Final answer
    x = 2,840.92

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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.