Home / 2,644.03-3,650.84-2,122.39

Finding the Fourth Proportional to 2,644.03, 3,650.84 and 2,122.39

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Solution

The fourth proportional to 2,644.03, 3,650.84 and 2,122.39 is: 2,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.03 : 3,650.84 = 2,122.39 : x
  2. Step 2: Convert to fraction form
    2,644.03/3,650.84 = 2,122.39/x
  3. Step 3: Cross multiply
    2,644.03x = 3,650.84 × 2,122.39
  4. Step 4: Simplify right side
    2,644.03x = 7,748,506.31
  5. Step 5: Solve for x
    x = 7,748,506.31/2,644.03
  6. Step 6: Final answer
    x = 2,930.57

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1.5x scale

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.