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Finding the Fourth Proportional to 2,762.69, 4,141.26 and 1,006.20

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Solution

The fourth proportional to 2,762.69, 4,141.26 and 1,006.20 is: 1,508.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.69 : 4,141.26 = 1,006.20 : x
  2. Step 2: Convert to fraction form
    2,762.69/4,141.26 = 1,006.20/x
  3. Step 3: Cross multiply
    2,762.69x = 4,141.26 × 1,006.20
  4. Step 4: Simplify right side
    2,762.69x = 4,166,935.81
  5. Step 5: Solve for x
    x = 4,166,935.81/2,762.69
  6. Step 6: Final answer
    x = 1,508.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.