Home / 3,803.65-5,243.04-2,858.08

Finding the Fourth Proportional to 3,803.65, 5,243.04 and 2,858.08

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Solution

The fourth proportional to 3,803.65, 5,243.04 and 2,858.08 is: 3,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.65 : 5,243.04 = 2,858.08 : x
  2. Step 2: Convert to fraction form
    3,803.65/5,243.04 = 2,858.08/x
  3. Step 3: Cross multiply
    3,803.65x = 5,243.04 × 2,858.08
  4. Step 4: Simplify right side
    3,803.65x = 14,985,027.76
  5. Step 5: Solve for x
    x = 14,985,027.76/3,803.65
  6. Step 6: Final answer
    x = 3,939.64

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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.