Home / 3,376.34-4,659.61-1,960.47

Finding the Fourth Proportional to 3,376.34, 4,659.61 and 1,960.47

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Solution

The fourth proportional to 3,376.34, 4,659.61 and 1,960.47 is: 2,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.34 : 4,659.61 = 1,960.47 : x
  2. Step 2: Convert to fraction form
    3,376.34/4,659.61 = 1,960.47/x
  3. Step 3: Cross multiply
    3,376.34x = 4,659.61 × 1,960.47
  4. Step 4: Simplify right side
    3,376.34x = 9,135,026.20
  5. Step 5: Solve for x
    x = 9,135,026.20/3,376.34
  6. Step 6: Final answer
    x = 2,705.60

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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.