Home / 3,140.33-4,331.84-2,606.15

Finding the Fourth Proportional to 3,140.33, 4,331.84 and 2,606.15

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Solution

The fourth proportional to 3,140.33, 4,331.84 and 2,606.15 is: 3,594.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.33 : 4,331.84 = 2,606.15 : x
  2. Step 2: Convert to fraction form
    3,140.33/4,331.84 = 2,606.15/x
  3. Step 3: Cross multiply
    3,140.33x = 4,331.84 × 2,606.15
  4. Step 4: Simplify right side
    3,140.33x = 11,289,422.61
  5. Step 5: Solve for x
    x = 11,289,422.61/3,140.33
  6. Step 6: Final answer
    x = 3,594.99

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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.