Home / 3,727.60-5,587.93-1,260.70

Finding the Fourth Proportional to 3,727.60, 5,587.93 and 1,260.70

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Solution

The fourth proportional to 3,727.60, 5,587.93 and 1,260.70 is: 1,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.60 : 5,587.93 = 1,260.70 : x
  2. Step 2: Convert to fraction form
    3,727.60/5,587.93 = 1,260.70/x
  3. Step 3: Cross multiply
    3,727.60x = 5,587.93 × 1,260.70
  4. Step 4: Simplify right side
    3,727.60x = 7,044,720.54
  5. Step 5: Solve for x
    x = 7,044,720.54/3,727.60
  6. Step 6: Final answer
    x = 1,889.88

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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.