Home / 3,260.31-4,885.54-2,160.74

Finding the Fourth Proportional to 3,260.31, 4,885.54 and 2,160.74

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Solution

The fourth proportional to 3,260.31, 4,885.54 and 2,160.74 is: 3,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.31 : 4,885.54 = 2,160.74 : x
  2. Step 2: Convert to fraction form
    3,260.31/4,885.54 = 2,160.74/x
  3. Step 3: Cross multiply
    3,260.31x = 4,885.54 × 2,160.74
  4. Step 4: Simplify right side
    3,260.31x = 10,556,351.87
  5. Step 5: Solve for x
    x = 10,556,351.87/3,260.31
  6. Step 6: Final answer
    x = 3,237.84

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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.