Home / 3,864.10-5,795.50-1,400.08

Finding the Fourth Proportional to 3,864.10, 5,795.50 and 1,400.08

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Solution

The fourth proportional to 3,864.10, 5,795.50 and 1,400.08 is: 2,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.10 : 5,795.50 = 1,400.08 : x
  2. Step 2: Convert to fraction form
    3,864.10/5,795.50 = 1,400.08/x
  3. Step 3: Cross multiply
    3,864.10x = 5,795.50 × 1,400.08
  4. Step 4: Simplify right side
    3,864.10x = 8,114,163.64
  5. Step 5: Solve for x
    x = 8,114,163.64/3,864.10
  6. Step 6: Final answer
    x = 2,099.88

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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.