Home / 3,903-5,848.95-3,021.39

Finding the Fourth Proportional to 3,903, 5,848.95 and 3,021.39

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Solution

The fourth proportional to 3,903, 5,848.95 and 3,021.39 is: 4,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903 : 5,848.95 = 3,021.39 : x
  2. Step 2: Convert to fraction form
    3,903/5,848.95 = 3,021.39/x
  3. Step 3: Cross multiply
    3,903x = 5,848.95 × 3,021.39
  4. Step 4: Simplify right side
    3,903x = 17,671,959.04
  5. Step 5: Solve for x
    x = 17,671,959.04/3,903
  6. Step 6: Final answer
    x = 4,527.79

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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.