Home / 3,010.94-4,156.25-2,015.86

Finding the Fourth Proportional to 3,010.94, 4,156.25 and 2,015.86

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Solution

The fourth proportional to 3,010.94, 4,156.25 and 2,015.86 is: 2,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.94 : 4,156.25 = 2,015.86 : x
  2. Step 2: Convert to fraction form
    3,010.94/4,156.25 = 2,015.86/x
  3. Step 3: Cross multiply
    3,010.94x = 4,156.25 × 2,015.86
  4. Step 4: Simplify right side
    3,010.94x = 8,378,412.77
  5. Step 5: Solve for x
    x = 8,378,412.77/3,010.94
  6. Step 6: Final answer
    x = 2,782.65

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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.