Home / 3,739.54-5,612.10-1,401.70

Finding the Fourth Proportional to 3,739.54, 5,612.10 and 1,401.70

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Solution

The fourth proportional to 3,739.54, 5,612.10 and 1,401.70 is: 2,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.54 : 5,612.10 = 1,401.70 : x
  2. Step 2: Convert to fraction form
    3,739.54/5,612.10 = 1,401.70/x
  3. Step 3: Cross multiply
    3,739.54x = 5,612.10 × 1,401.70
  4. Step 4: Simplify right side
    3,739.54x = 7,866,480.57
  5. Step 5: Solve for x
    x = 7,866,480.57/3,739.54
  6. Step 6: Final answer
    x = 2,103.60

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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.