Home / 3,914.31-5,865.97-2,160.13

Finding the Fourth Proportional to 3,914.31, 5,865.97 and 2,160.13

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Solution

The fourth proportional to 3,914.31, 5,865.97 and 2,160.13 is: 3,237.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.31 : 5,865.97 = 2,160.13 : x
  2. Step 2: Convert to fraction form
    3,914.31/5,865.97 = 2,160.13/x
  3. Step 3: Cross multiply
    3,914.31x = 5,865.97 × 2,160.13
  4. Step 4: Simplify right side
    3,914.31x = 12,671,237.71
  5. Step 5: Solve for x
    x = 12,671,237.71/3,914.31
  6. Step 6: Final answer
    x = 3,237.16

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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.