Home / 3,376.26-4,659.47-1,960.40

Finding the Fourth Proportional to 3,376.26, 4,659.47 and 1,960.40

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Solution

The fourth proportional to 3,376.26, 4,659.47 and 1,960.40 is: 2,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.26 : 4,659.47 = 1,960.40 : x
  2. Step 2: Convert to fraction form
    3,376.26/4,659.47 = 1,960.40/x
  3. Step 3: Cross multiply
    3,376.26x = 4,659.47 × 1,960.40
  4. Step 4: Simplify right side
    3,376.26x = 9,134,445.21
  5. Step 5: Solve for x
    x = 9,134,445.21/3,376.26
  6. Step 6: Final answer
    x = 2,705.49

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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.