Home / 1,611.34-2,221.77-1,494.70

Finding the Fourth Proportional to 1,611.34, 2,221.77 and 1,494.70

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Solution

The fourth proportional to 1,611.34, 2,221.77 and 1,494.70 is: 2,060.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.34 : 2,221.77 = 1,494.70 : x
  2. Step 2: Convert to fraction form
    1,611.34/2,221.77 = 1,494.70/x
  3. Step 3: Cross multiply
    1,611.34x = 2,221.77 × 1,494.70
  4. Step 4: Simplify right side
    1,611.34x = 3,320,879.62
  5. Step 5: Solve for x
    x = 3,320,879.62/1,611.34
  6. Step 6: Final answer
    x = 2,060.94

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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.