Home / 2,951.40-4,072.93-1,625.15

Finding the Fourth Proportional to 2,951.40, 4,072.93 and 1,625.15

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Solution

The fourth proportional to 2,951.40, 4,072.93 and 1,625.15 is: 2,242.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.40 : 4,072.93 = 1,625.15 : x
  2. Step 2: Convert to fraction form
    2,951.40/4,072.93 = 1,625.15/x
  3. Step 3: Cross multiply
    2,951.40x = 4,072.93 × 1,625.15
  4. Step 4: Simplify right side
    2,951.40x = 6,619,122.19
  5. Step 5: Solve for x
    x = 6,619,122.19/2,951.40
  6. Step 6: Final answer
    x = 2,242.71

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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.