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Finding the Fourth Proportional to 2,526.92, 3,485.92 and 2,177

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Solution

The fourth proportional to 2,526.92, 3,485.92 and 2,177 is: 3,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.92 : 3,485.92 = 2,177 : x
  2. Step 2: Convert to fraction form
    2,526.92/3,485.92 = 2,177/x
  3. Step 3: Cross multiply
    2,526.92x = 3,485.92 × 2,177
  4. Step 4: Simplify right side
    2,526.92x = 7,588,847.84
  5. Step 5: Solve for x
    x = 7,588,847.84/2,526.92
  6. Step 6: Final answer
    x = 3,003.20

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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.