Home / 2,951.21-4,072.65-1,624.89

Finding the Fourth Proportional to 2,951.21, 4,072.65 and 1,624.89

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Solution

The fourth proportional to 2,951.21, 4,072.65 and 1,624.89 is: 2,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.21 : 4,072.65 = 1,624.89 : x
  2. Step 2: Convert to fraction form
    2,951.21/4,072.65 = 1,624.89/x
  3. Step 3: Cross multiply
    2,951.21x = 4,072.65 × 1,624.89
  4. Step 4: Simplify right side
    2,951.21x = 6,617,617.44
  5. Step 5: Solve for x
    x = 6,617,617.44/2,951.21
  6. Step 6: Final answer
    x = 2,242.34

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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.