Home / 4,160.45-6,238.96-1,693.60

Finding the Fourth Proportional to 4,160.45, 6,238.96 and 1,693.60

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Solution

The fourth proportional to 4,160.45, 6,238.96 and 1,693.60 is: 2,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.45 : 6,238.96 = 1,693.60 : x
  2. Step 2: Convert to fraction form
    4,160.45/6,238.96 = 1,693.60/x
  3. Step 3: Cross multiply
    4,160.45x = 6,238.96 × 1,693.60
  4. Step 4: Simplify right side
    4,160.45x = 10,566,302.66
  5. Step 5: Solve for x
    x = 10,566,302.66/4,160.45
  6. Step 6: Final answer
    x = 2,539.70

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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.