Home / 2,516.90-3,775.33-2,143.22

Finding the Fourth Proportional to 2,516.90, 3,775.33 and 2,143.22

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Solution

The fourth proportional to 2,516.90, 3,775.33 and 2,143.22 is: 3,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.90 : 3,775.33 = 2,143.22 : x
  2. Step 2: Convert to fraction form
    2,516.90/3,775.33 = 2,143.22/x
  3. Step 3: Cross multiply
    2,516.90x = 3,775.33 × 2,143.22
  4. Step 4: Simplify right side
    2,516.90x = 8,091,362.76
  5. Step 5: Solve for x
    x = 8,091,362.76/2,516.90
  6. Step 6: Final answer
    x = 3,214.82

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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.