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Finding the Fourth Proportional to 3,000.76, 4,519.57 and 2,541.76

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Solution

The fourth proportional to 3,000.76, 4,519.57 and 2,541.76 is: 3,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.76 : 4,519.57 = 2,541.76 : x
  2. Step 2: Convert to fraction form
    3,000.76/4,519.57 = 2,541.76/x
  3. Step 3: Cross multiply
    3,000.76x = 4,519.57 × 2,541.76
  4. Step 4: Simplify right side
    3,000.76x = 11,487,662.24
  5. Step 5: Solve for x
    x = 11,487,662.24/3,000.76
  6. Step 6: Final answer
    x = 3,828.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.