Home / 2,492.36-3,738.60-1,031.12

Finding the Fourth Proportional to 2,492.36, 3,738.60 and 1,031.12

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Solution

The fourth proportional to 2,492.36, 3,738.60 and 1,031.12 is: 1,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.36 : 3,738.60 = 1,031.12 : x
  2. Step 2: Convert to fraction form
    2,492.36/3,738.60 = 1,031.12/x
  3. Step 3: Cross multiply
    2,492.36x = 3,738.60 × 1,031.12
  4. Step 4: Simplify right side
    2,492.36x = 3,854,945.23
  5. Step 5: Solve for x
    x = 3,854,945.23/2,492.36
  6. Step 6: Final answer
    x = 1,546.70

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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.