Home / 2,910.01-4,014.37-1,965.85

Finding the Fourth Proportional to 2,910.01, 4,014.37 and 1,965.85

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Solution

The fourth proportional to 2,910.01, 4,014.37 and 1,965.85 is: 2,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.01 : 4,014.37 = 1,965.85 : x
  2. Step 2: Convert to fraction form
    2,910.01/4,014.37 = 1,965.85/x
  3. Step 3: Cross multiply
    2,910.01x = 4,014.37 × 1,965.85
  4. Step 4: Simplify right side
    2,910.01x = 7,891,649.26
  5. Step 5: Solve for x
    x = 7,891,649.26/2,910.01
  6. Step 6: Final answer
    x = 2,711.90

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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.