Home / 3,677.40-5,501.70-3,331.80

Finding the Fourth Proportional to 3,677.40, 5,501.70 and 3,331.80

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Solution

The fourth proportional to 3,677.40, 5,501.70 and 3,331.80 is: 4,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.40 : 5,501.70 = 3,331.80 : x
  2. Step 2: Convert to fraction form
    3,677.40/5,501.70 = 3,331.80/x
  3. Step 3: Cross multiply
    3,677.40x = 5,501.70 × 3,331.80
  4. Step 4: Simplify right side
    3,677.40x = 18,330,564.06
  5. Step 5: Solve for x
    x = 18,330,564.06/3,677.40
  6. Step 6: Final answer
    x = 4,984.65

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1.5x scale

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.