Home / 3,119.04-4,670.88-1,816.56

Finding the Fourth Proportional to 3,119.04, 4,670.88 and 1,816.56

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Solution

The fourth proportional to 3,119.04, 4,670.88 and 1,816.56 is: 2,720.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.04 : 4,670.88 = 1,816.56 : x
  2. Step 2: Convert to fraction form
    3,119.04/4,670.88 = 1,816.56/x
  3. Step 3: Cross multiply
    3,119.04x = 4,670.88 × 1,816.56
  4. Step 4: Simplify right side
    3,119.04x = 8,484,933.77
  5. Step 5: Solve for x
    x = 8,484,933.77/3,119.04
  6. Step 6: Final answer
    x = 2,720.37

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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.