Home / 2,823.57-4,227.03-1,780.38

Finding the Fourth Proportional to 2,823.57, 4,227.03 and 1,780.38

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Solution

The fourth proportional to 2,823.57, 4,227.03 and 1,780.38 is: 2,665.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.57 : 4,227.03 = 1,780.38 : x
  2. Step 2: Convert to fraction form
    2,823.57/4,227.03 = 1,780.38/x
  3. Step 3: Cross multiply
    2,823.57x = 4,227.03 × 1,780.38
  4. Step 4: Simplify right side
    2,823.57x = 7,525,719.67
  5. Step 5: Solve for x
    x = 7,525,719.67/2,823.57
  6. Step 6: Final answer
    x = 2,665.32

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1.5x scale

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.