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Finding the Fourth Proportional to 2,761.99, 4,140.52 and 1,006.66

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Solution

The fourth proportional to 2,761.99, 4,140.52 and 1,006.66 is: 1,509.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.99 : 4,140.52 = 1,006.66 : x
  2. Step 2: Convert to fraction form
    2,761.99/4,140.52 = 1,006.66/x
  3. Step 3: Cross multiply
    2,761.99x = 4,140.52 × 1,006.66
  4. Step 4: Simplify right side
    2,761.99x = 4,168,094.53
  5. Step 5: Solve for x
    x = 4,168,094.53/2,761.99
  6. Step 6: Final answer
    x = 1,509.09

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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.