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Finding the Fourth Proportional to 1,774.75, 2,663.76 and 897.87

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Solution

The fourth proportional to 1,774.75, 2,663.76 and 897.87 is: 1,347.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.75 : 2,663.76 = 897.87 : x
  2. Step 2: Convert to fraction form
    1,774.75/2,663.76 = 897.87/x
  3. Step 3: Cross multiply
    1,774.75x = 2,663.76 × 897.87
  4. Step 4: Simplify right side
    1,774.75x = 2,391,700.20
  5. Step 5: Solve for x
    x = 2,391,700.20/1,774.75
  6. Step 6: Final answer
    x = 1,347.63

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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.