Home / 2,252.40-3,118.68-2,194.80

Finding the Fourth Proportional to 2,252.40, 3,118.68 and 2,194.80

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Solution

The fourth proportional to 2,252.40, 3,118.68 and 2,194.80 is: 3,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.40 : 3,118.68 = 2,194.80 : x
  2. Step 2: Convert to fraction form
    2,252.40/3,118.68 = 2,194.80/x
  3. Step 3: Cross multiply
    2,252.40x = 3,118.68 × 2,194.80
  4. Step 4: Simplify right side
    2,252.40x = 6,844,878.86
  5. Step 5: Solve for x
    x = 6,844,878.86/2,252.40
  6. Step 6: Final answer
    x = 3,038.93

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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.