Home / 3,935.85-5,905.86-1,746.15

Finding the Fourth Proportional to 3,935.85, 5,905.86 and 1,746.15

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Solution

The fourth proportional to 3,935.85, 5,905.86 and 1,746.15 is: 2,620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.85 : 5,905.86 = 1,746.15 : x
  2. Step 2: Convert to fraction form
    3,935.85/5,905.86 = 1,746.15/x
  3. Step 3: Cross multiply
    3,935.85x = 5,905.86 × 1,746.15
  4. Step 4: Simplify right side
    3,935.85x = 10,312,517.44
  5. Step 5: Solve for x
    x = 10,312,517.44/3,935.85
  6. Step 6: Final answer
    x = 2,620.15

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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.