Home / 3,657.60-5,485.77-1,059.93

Finding the Fourth Proportional to 3,657.60, 5,485.77 and 1,059.93

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Solution

The fourth proportional to 3,657.60, 5,485.77 and 1,059.93 is: 1,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.60 : 5,485.77 = 1,059.93 : x
  2. Step 2: Convert to fraction form
    3,657.60/5,485.77 = 1,059.93/x
  3. Step 3: Cross multiply
    3,657.60x = 5,485.77 × 1,059.93
  4. Step 4: Simplify right side
    3,657.60x = 5,814,532.20
  5. Step 5: Solve for x
    x = 5,814,532.20/3,657.60
  6. Step 6: Final answer
    x = 1,589.71

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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.