Home / 2,492.64-3,738.96-1,031.85

Finding the Fourth Proportional to 2,492.64, 3,738.96 and 1,031.85

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Solution

The fourth proportional to 2,492.64, 3,738.96 and 1,031.85 is: 1,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.64 : 3,738.96 = 1,031.85 : x
  2. Step 2: Convert to fraction form
    2,492.64/3,738.96 = 1,031.85/x
  3. Step 3: Cross multiply
    2,492.64x = 3,738.96 × 1,031.85
  4. Step 4: Simplify right side
    2,492.64x = 3,858,045.88
  5. Step 5: Solve for x
    x = 3,858,045.88/2,492.64
  6. Step 6: Final answer
    x = 1,547.78

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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.