Home / 3,742.13-5,612.49-1,401.89

Finding the Fourth Proportional to 3,742.13, 5,612.49 and 1,401.89

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Solution

The fourth proportional to 3,742.13, 5,612.49 and 1,401.89 is: 2,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.13 : 5,612.49 = 1,401.89 : x
  2. Step 2: Convert to fraction form
    3,742.13/5,612.49 = 1,401.89/x
  3. Step 3: Cross multiply
    3,742.13x = 5,612.49 × 1,401.89
  4. Step 4: Simplify right side
    3,742.13x = 7,868,093.61
  5. Step 5: Solve for x
    x = 7,868,093.61/3,742.13
  6. Step 6: Final answer
    x = 2,102.57

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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.