Home / 3,376.46-4,659.54-1,960.45

Finding the Fourth Proportional to 3,376.46, 4,659.54 and 1,960.45

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Solution

The fourth proportional to 3,376.46, 4,659.54 and 1,960.45 is: 2,705.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.46 : 4,659.54 = 1,960.45 : x
  2. Step 2: Convert to fraction form
    3,376.46/4,659.54 = 1,960.45/x
  3. Step 3: Cross multiply
    3,376.46x = 4,659.54 × 1,960.45
  4. Step 4: Simplify right side
    3,376.46x = 9,134,776.19
  5. Step 5: Solve for x
    x = 9,134,776.19/3,376.46
  6. Step 6: Final answer
    x = 2,705.43

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1.5x scale

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.