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Finding the Fourth Proportional to 1,773.24, 2,660.00 and 603.15

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Solution

The fourth proportional to 1,773.24, 2,660.00 and 603.15 is: 904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.24 : 2,660.00 = 603.15 : x
  2. Step 2: Convert to fraction form
    1,773.24/2,660.00 = 603.15/x
  3. Step 3: Cross multiply
    1,773.24x = 2,660.00 × 603.15
  4. Step 4: Simplify right side
    1,773.24x = 1,604,375.98
  5. Step 5: Solve for x
    x = 1,604,375.98/1,773.24
  6. Step 6: Final answer
    x = 904.77

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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.