Home / 3,583.40-5,368.70-2,213.80

Finding the Fourth Proportional to 3,583.40, 5,368.70 and 2,213.80

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Solution

The fourth proportional to 3,583.40, 5,368.70 and 2,213.80 is: 3,316.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.40 : 5,368.70 = 2,213.80 : x
  2. Step 2: Convert to fraction form
    3,583.40/5,368.70 = 2,213.80/x
  3. Step 3: Cross multiply
    3,583.40x = 5,368.70 × 2,213.80
  4. Step 4: Simplify right side
    3,583.40x = 11,885,228.06
  5. Step 5: Solve for x
    x = 11,885,228.06/3,583.40
  6. Step 6: Final answer
    x = 3,316.75

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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.