Home / 3,260.40-4,893.32-1,412.92

Finding the Fourth Proportional to 3,260.40, 4,893.32 and 1,412.92

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Solution

The fourth proportional to 3,260.40, 4,893.32 and 1,412.92 is: 2,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.40 : 4,893.32 = 1,412.92 : x
  2. Step 2: Convert to fraction form
    3,260.40/4,893.32 = 1,412.92/x
  3. Step 3: Cross multiply
    3,260.40x = 4,893.32 × 1,412.92
  4. Step 4: Simplify right side
    3,260.40x = 6,913,869.69
  5. Step 5: Solve for x
    x = 6,913,869.69/3,260.40
  6. Step 6: Final answer
    x = 2,120.56

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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.