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Finding the Fourth Proportional to 1,775.62, 2,659.10 and 1,723.78

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Solution

The fourth proportional to 1,775.62, 2,659.10 and 1,723.78 is: 2,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.62 : 2,659.10 = 1,723.78 : x
  2. Step 2: Convert to fraction form
    1,775.62/2,659.10 = 1,723.78/x
  3. Step 3: Cross multiply
    1,775.62x = 2,659.10 × 1,723.78
  4. Step 4: Simplify right side
    1,775.62x = 4,583,703.40
  5. Step 5: Solve for x
    x = 4,583,703.40/1,775.62
  6. Step 6: Final answer
    x = 2,581.47

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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.