Home / 3,741.24-5,612.12-1,401.20

Finding the Fourth Proportional to 3,741.24, 5,612.12 and 1,401.20

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Solution

The fourth proportional to 3,741.24, 5,612.12 and 1,401.20 is: 2,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.24 : 5,612.12 = 1,401.20 : x
  2. Step 2: Convert to fraction form
    3,741.24/5,612.12 = 1,401.20/x
  3. Step 3: Cross multiply
    3,741.24x = 5,612.12 × 1,401.20
  4. Step 4: Simplify right side
    3,741.24x = 7,863,702.54
  5. Step 5: Solve for x
    x = 7,863,702.54/3,741.24
  6. Step 6: Final answer
    x = 2,101.90

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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.