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Finding the Fourth Proportional to 2,955.75, 4,076.51 and 1,774.77

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Solution

The fourth proportional to 2,955.75, 4,076.51 and 1,774.77 is: 2,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.75 : 4,076.51 = 1,774.77 : x
  2. Step 2: Convert to fraction form
    2,955.75/4,076.51 = 1,774.77/x
  3. Step 3: Cross multiply
    2,955.75x = 4,076.51 × 1,774.77
  4. Step 4: Simplify right side
    2,955.75x = 7,234,858.78
  5. Step 5: Solve for x
    x = 7,234,858.78/2,955.75
  6. Step 6: Final answer
    x = 2,447.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.