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Finding the Fourth Proportional to 1,775.48, 2,663.20 and 1,464.44

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Solution

The fourth proportional to 1,775.48, 2,663.20 and 1,464.44 is: 2,196.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.48 : 2,663.20 = 1,464.44 : x
  2. Step 2: Convert to fraction form
    1,775.48/2,663.20 = 1,464.44/x
  3. Step 3: Cross multiply
    1,775.48x = 2,663.20 × 1,464.44
  4. Step 4: Simplify right side
    1,775.48x = 3,900,096.61
  5. Step 5: Solve for x
    x = 3,900,096.61/1,775.48
  6. Step 6: Final answer
    x = 2,196.64

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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.