Home / 2,620.18-3,613.99-1,812.94

Finding the Fourth Proportional to 2,620.18, 3,613.99 and 1,812.94

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Solution

The fourth proportional to 2,620.18, 3,613.99 and 1,812.94 is: 2,500.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.18 : 3,613.99 = 1,812.94 : x
  2. Step 2: Convert to fraction form
    2,620.18/3,613.99 = 1,812.94/x
  3. Step 3: Cross multiply
    2,620.18x = 3,613.99 × 1,812.94
  4. Step 4: Simplify right side
    2,620.18x = 6,551,947.03
  5. Step 5: Solve for x
    x = 6,551,947.03/2,620.18
  6. Step 6: Final answer
    x = 2,500.57

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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.