Home / 3,133.20-4,686.03-2,788.95

Finding the Fourth Proportional to 3,133.20, 4,686.03 and 2,788.95

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Solution

The fourth proportional to 3,133.20, 4,686.03 and 2,788.95 is: 4,171.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.20 : 4,686.03 = 2,788.95 : x
  2. Step 2: Convert to fraction form
    3,133.20/4,686.03 = 2,788.95/x
  3. Step 3: Cross multiply
    3,133.20x = 4,686.03 × 2,788.95
  4. Step 4: Simplify right side
    3,133.20x = 13,069,103.37
  5. Step 5: Solve for x
    x = 13,069,103.37/3,133.20
  6. Step 6: Final answer
    x = 4,171.17

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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.