Home / 2,552.29-3,812.92-1,620.38

Finding the Fourth Proportional to 2,552.29, 3,812.92 and 1,620.38

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Solution

The fourth proportional to 2,552.29, 3,812.92 and 1,620.38 is: 2,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552.29 : 3,812.92 = 1,620.38 : x
  2. Step 2: Convert to fraction form
    2,552.29/3,812.92 = 1,620.38/x
  3. Step 3: Cross multiply
    2,552.29x = 3,812.92 × 1,620.38
  4. Step 4: Simplify right side
    2,552.29x = 6,178,379.31
  5. Step 5: Solve for x
    x = 6,178,379.31/2,552.29
  6. Step 6: Final answer
    x = 2,420.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.