Home / 3,810.39-5,715.40-2,230.00

Finding the Fourth Proportional to 3,810.39, 5,715.40 and 2,230.00

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Solution

The fourth proportional to 3,810.39, 5,715.40 and 2,230.00 is: 3,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.39 : 5,715.40 = 2,230.00 : x
  2. Step 2: Convert to fraction form
    3,810.39/5,715.40 = 2,230.00/x
  3. Step 3: Cross multiply
    3,810.39x = 5,715.40 × 2,230.00
  4. Step 4: Simplify right side
    3,810.39x = 12,745,335.24
  5. Step 5: Solve for x
    x = 12,745,335.24/3,810.39
  6. Step 6: Final answer
    x = 3,344.89

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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.