Home / 3,730.41-5,596.57-1,390.55

Finding the Fourth Proportional to 3,730.41, 5,596.57 and 1,390.55

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Solution

The fourth proportional to 3,730.41, 5,596.57 and 1,390.55 is: 2,086.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.41 : 5,596.57 = 1,390.55 : x
  2. Step 2: Convert to fraction form
    3,730.41/5,596.57 = 1,390.55/x
  3. Step 3: Cross multiply
    3,730.41x = 5,596.57 × 1,390.55
  4. Step 4: Simplify right side
    3,730.41x = 7,782,320.93
  5. Step 5: Solve for x
    x = 7,782,320.93/3,730.41
  6. Step 6: Final answer
    x = 2,086.18

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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.