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Finding the Fourth Proportional to 1,772.06, 2,655.84 and 950.72

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Solution

The fourth proportional to 1,772.06, 2,655.84 and 950.72 is: 1,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.06 : 2,655.84 = 950.72 : x
  2. Step 2: Convert to fraction form
    1,772.06/2,655.84 = 950.72/x
  3. Step 3: Cross multiply
    1,772.06x = 2,655.84 × 950.72
  4. Step 4: Simplify right side
    1,772.06x = 2,524,960.20
  5. Step 5: Solve for x
    x = 2,524,960.20/1,772.06
  6. Step 6: Final answer
    x = 1,424.87

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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.