Home / 3,256.64-4,492.76-2,195.09

Finding the Fourth Proportional to 3,256.64, 4,492.76 and 2,195.09

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Solution

The fourth proportional to 3,256.64, 4,492.76 and 2,195.09 is: 3,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.64 : 4,492.76 = 2,195.09 : x
  2. Step 2: Convert to fraction form
    3,256.64/4,492.76 = 2,195.09/x
  3. Step 3: Cross multiply
    3,256.64x = 4,492.76 × 2,195.09
  4. Step 4: Simplify right side
    3,256.64x = 9,862,012.55
  5. Step 5: Solve for x
    x = 9,862,012.55/3,256.64
  6. Step 6: Final answer
    x = 3,028.28

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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.