Home / 3,256.85-4,492.98-1,997.40

Finding the Fourth Proportional to 3,256.85, 4,492.98 and 1,997.40

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Solution

The fourth proportional to 3,256.85, 4,492.98 and 1,997.40 is: 2,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.85 : 4,492.98 = 1,997.40 : x
  2. Step 2: Convert to fraction form
    3,256.85/4,492.98 = 1,997.40/x
  3. Step 3: Cross multiply
    3,256.85x = 4,492.98 × 1,997.40
  4. Step 4: Simplify right side
    3,256.85x = 8,974,278.25
  5. Step 5: Solve for x
    x = 8,974,278.25/3,256.85
  6. Step 6: Final answer
    x = 2,755.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.