Home / 3,134.44-4,325.70-2,085.80

Finding the Fourth Proportional to 3,134.44, 4,325.70 and 2,085.80

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Solution

The fourth proportional to 3,134.44, 4,325.70 and 2,085.80 is: 2,878.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.44 : 4,325.70 = 2,085.80 : x
  2. Step 2: Convert to fraction form
    3,134.44/4,325.70 = 2,085.80/x
  3. Step 3: Cross multiply
    3,134.44x = 4,325.70 × 2,085.80
  4. Step 4: Simplify right side
    3,134.44x = 9,022,545.06
  5. Step 5: Solve for x
    x = 9,022,545.06/3,134.44
  6. Step 6: Final answer
    x = 2,878.52

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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.