Home / 2,906.56-4,000.98-2,528.20

Finding the Fourth Proportional to 2,906.56, 4,000.98 and 2,528.20

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Solution

The fourth proportional to 2,906.56, 4,000.98 and 2,528.20 is: 3,480.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.56 : 4,000.98 = 2,528.20 : x
  2. Step 2: Convert to fraction form
    2,906.56/4,000.98 = 2,528.20/x
  3. Step 3: Cross multiply
    2,906.56x = 4,000.98 × 2,528.20
  4. Step 4: Simplify right side
    2,906.56x = 10,115,277.64
  5. Step 5: Solve for x
    x = 10,115,277.64/2,906.56
  6. Step 6: Final answer
    x = 3,480.15

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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.