Home / 1,812.73-2,518.85-1,805.44

Finding the Fourth Proportional to 1,812.73, 2,518.85 and 1,805.44

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Solution

The fourth proportional to 1,812.73, 2,518.85 and 1,805.44 is: 2,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.73 : 2,518.85 = 1,805.44 : x
  2. Step 2: Convert to fraction form
    1,812.73/2,518.85 = 1,805.44/x
  3. Step 3: Cross multiply
    1,812.73x = 2,518.85 × 1,805.44
  4. Step 4: Simplify right side
    1,812.73x = 4,547,632.54
  5. Step 5: Solve for x
    x = 4,547,632.54/1,812.73
  6. Step 6: Final answer
    x = 2,508.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.