Home / 3,240.92-4,858.14-1,680.06

Finding the Fourth Proportional to 3,240.92, 4,858.14 and 1,680.06

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Solution

The fourth proportional to 3,240.92, 4,858.14 and 1,680.06 is: 2,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.92 : 4,858.14 = 1,680.06 : x
  2. Step 2: Convert to fraction form
    3,240.92/4,858.14 = 1,680.06/x
  3. Step 3: Cross multiply
    3,240.92x = 4,858.14 × 1,680.06
  4. Step 4: Simplify right side
    3,240.92x = 8,161,966.69
  5. Step 5: Solve for x
    x = 8,161,966.69/3,240.92
  6. Step 6: Final answer
    x = 2,518.41

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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.