Home / 2,955.12-4,432.26-1,105.98

Finding the Fourth Proportional to 2,955.12, 4,432.26 and 1,105.98

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Solution

The fourth proportional to 2,955.12, 4,432.26 and 1,105.98 is: 1,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.12 : 4,432.26 = 1,105.98 : x
  2. Step 2: Convert to fraction form
    2,955.12/4,432.26 = 1,105.98/x
  3. Step 3: Cross multiply
    2,955.12x = 4,432.26 × 1,105.98
  4. Step 4: Simplify right side
    2,955.12x = 4,901,990.91
  5. Step 5: Solve for x
    x = 4,901,990.91/2,955.12
  6. Step 6: Final answer
    x = 1,658.81

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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.