Home / 3,255.53-4,492.28-2,405.23

Finding the Fourth Proportional to 3,255.53, 4,492.28 and 2,405.23

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Solution

The fourth proportional to 3,255.53, 4,492.28 and 2,405.23 is: 3,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.53 : 4,492.28 = 2,405.23 : x
  2. Step 2: Convert to fraction form
    3,255.53/4,492.28 = 2,405.23/x
  3. Step 3: Cross multiply
    3,255.53x = 4,492.28 × 2,405.23
  4. Step 4: Simplify right side
    3,255.53x = 10,804,961.41
  5. Step 5: Solve for x
    x = 10,804,961.41/3,255.53
  6. Step 6: Final answer
    x = 3,318.96

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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.