Home / 3,623.40-4,996.44-3,543.12

Finding the Fourth Proportional to 3,623.40, 4,996.44 and 3,543.12

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Solution

The fourth proportional to 3,623.40, 4,996.44 and 3,543.12 is: 4,885.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.40 : 4,996.44 = 3,543.12 : x
  2. Step 2: Convert to fraction form
    3,623.40/4,996.44 = 3,543.12/x
  3. Step 3: Cross multiply
    3,623.40x = 4,996.44 × 3,543.12
  4. Step 4: Simplify right side
    3,623.40x = 17,702,986.49
  5. Step 5: Solve for x
    x = 17,702,986.49/3,623.40
  6. Step 6: Final answer
    x = 4,885.74

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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.