Home / 2,735.40-3,773.78-1,685.64

Finding the Fourth Proportional to 2,735.40, 3,773.78 and 1,685.64

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Solution

The fourth proportional to 2,735.40, 3,773.78 and 1,685.64 is: 2,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.40 : 3,773.78 = 1,685.64 : x
  2. Step 2: Convert to fraction form
    2,735.40/3,773.78 = 1,685.64/x
  3. Step 3: Cross multiply
    2,735.40x = 3,773.78 × 1,685.64
  4. Step 4: Simplify right side
    2,735.40x = 6,361,234.52
  5. Step 5: Solve for x
    x = 6,361,234.52/2,735.40
  6. Step 6: Final answer
    x = 2,325.52

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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.