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Finding the Fourth Proportional to 1,777.02, 2,670.26 and 955.89

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Solution

The fourth proportional to 1,777.02, 2,670.26 and 955.89 is: 1,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777.02 : 2,670.26 = 955.89 : x
  2. Step 2: Convert to fraction form
    1,777.02/2,670.26 = 955.89/x
  3. Step 3: Cross multiply
    1,777.02x = 2,670.26 × 955.89
  4. Step 4: Simplify right side
    1,777.02x = 2,552,470.05
  5. Step 5: Solve for x
    x = 2,552,470.05/1,777.02
  6. Step 6: Final answer
    x = 1,436.38

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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.