Home / 2,955.97-4,431.53-1,177.21

Finding the Fourth Proportional to 2,955.97, 4,431.53 and 1,177.21

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Solution

The fourth proportional to 2,955.97, 4,431.53 and 1,177.21 is: 1,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.97 : 4,431.53 = 1,177.21 : x
  2. Step 2: Convert to fraction form
    2,955.97/4,431.53 = 1,177.21/x
  3. Step 3: Cross multiply
    2,955.97x = 4,431.53 × 1,177.21
  4. Step 4: Simplify right side
    2,955.97x = 5,216,835.55
  5. Step 5: Solve for x
    x = 5,216,835.55/2,955.97
  6. Step 6: Final answer
    x = 1,764.85

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1.5x scale

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.