Home / 2,620.50-3,612.57-1,874.19

Finding the Fourth Proportional to 2,620.50, 3,612.57 and 1,874.19

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Solution

The fourth proportional to 2,620.50, 3,612.57 and 1,874.19 is: 2,583.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.50 : 3,612.57 = 1,874.19 : x
  2. Step 2: Convert to fraction form
    2,620.50/3,612.57 = 1,874.19/x
  3. Step 3: Cross multiply
    2,620.50x = 3,612.57 × 1,874.19
  4. Step 4: Simplify right side
    2,620.50x = 6,770,642.57
  5. Step 5: Solve for x
    x = 6,770,642.57/2,620.50
  6. Step 6: Final answer
    x = 2,583.72

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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.