Home / 2,620.68-3,905.66-2,537.64

Finding the Fourth Proportional to 2,620.68, 3,905.66 and 2,537.64

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Solution

The fourth proportional to 2,620.68, 3,905.66 and 2,537.64 is: 3,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.68 : 3,905.66 = 2,537.64 : x
  2. Step 2: Convert to fraction form
    2,620.68/3,905.66 = 2,537.64/x
  3. Step 3: Cross multiply
    2,620.68x = 3,905.66 × 2,537.64
  4. Step 4: Simplify right side
    2,620.68x = 9,911,146.35
  5. Step 5: Solve for x
    x = 9,911,146.35/2,620.68
  6. Step 6: Final answer
    x = 3,781.90

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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.