Home / 4,212.31-5,812.89-2,641.27

Finding the Fourth Proportional to 4,212.31, 5,812.89 and 2,641.27

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Solution

The fourth proportional to 4,212.31, 5,812.89 and 2,641.27 is: 3,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.31 : 5,812.89 = 2,641.27 : x
  2. Step 2: Convert to fraction form
    4,212.31/5,812.89 = 2,641.27/x
  3. Step 3: Cross multiply
    4,212.31x = 5,812.89 × 2,641.27
  4. Step 4: Simplify right side
    4,212.31x = 15,353,411.97
  5. Step 5: Solve for x
    x = 15,353,411.97/4,212.31
  6. Step 6: Final answer
    x = 3,644.89

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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.