Home / 1,823.78-2,730.45-1,363.70

Finding the Fourth Proportional to 1,823.78, 2,730.45 and 1,363.70

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Solution

The fourth proportional to 1,823.78, 2,730.45 and 1,363.70 is: 2,041.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.78 : 2,730.45 = 1,363.70 : x
  2. Step 2: Convert to fraction form
    1,823.78/2,730.45 = 1,363.70/x
  3. Step 3: Cross multiply
    1,823.78x = 2,730.45 × 1,363.70
  4. Step 4: Simplify right side
    1,823.78x = 3,723,514.67
  5. Step 5: Solve for x
    x = 3,723,514.67/1,823.78
  6. Step 6: Final answer
    x = 2,041.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.