Home / 2,225.92-3,070.68-1,805.44

Finding the Fourth Proportional to 2,225.92, 3,070.68 and 1,805.44

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Solution

The fourth proportional to 2,225.92, 3,070.68 and 1,805.44 is: 2,490.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.92 : 3,070.68 = 1,805.44 : x
  2. Step 2: Convert to fraction form
    2,225.92/3,070.68 = 1,805.44/x
  3. Step 3: Cross multiply
    2,225.92x = 3,070.68 × 1,805.44
  4. Step 4: Simplify right side
    2,225.92x = 5,543,928.50
  5. Step 5: Solve for x
    x = 5,543,928.50/2,225.92
  6. Step 6: Final answer
    x = 2,490.62

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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.