Home / 3,254.20-4,878.42-1,305.07

Finding the Fourth Proportional to 3,254.20, 4,878.42 and 1,305.07

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Solution

The fourth proportional to 3,254.20, 4,878.42 and 1,305.07 is: 1,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.20 : 4,878.42 = 1,305.07 : x
  2. Step 2: Convert to fraction form
    3,254.20/4,878.42 = 1,305.07/x
  3. Step 3: Cross multiply
    3,254.20x = 4,878.42 × 1,305.07
  4. Step 4: Simplify right side
    3,254.20x = 6,366,679.59
  5. Step 5: Solve for x
    x = 6,366,679.59/3,254.20
  6. Step 6: Final answer
    x = 1,956.45

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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.