Home / 3,764.40-5,194.80-2,085.90

Finding the Fourth Proportional to 3,764.40, 5,194.80 and 2,085.90

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Solution

The fourth proportional to 3,764.40, 5,194.80 and 2,085.90 is: 2,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.40 : 5,194.80 = 2,085.90 : x
  2. Step 2: Convert to fraction form
    3,764.40/5,194.80 = 2,085.90/x
  3. Step 3: Cross multiply
    3,764.40x = 5,194.80 × 2,085.90
  4. Step 4: Simplify right side
    3,764.40x = 10,835,833.32
  5. Step 5: Solve for x
    x = 10,835,833.32/3,764.40
  6. Step 6: Final answer
    x = 2,878.50

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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.