Home / 3,816.24-5,719.20-1,624.36

Finding the Fourth Proportional to 3,816.24, 5,719.20 and 1,624.36

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Solution

The fourth proportional to 3,816.24, 5,719.20 and 1,624.36 is: 2,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.24 : 5,719.20 = 1,624.36 : x
  2. Step 2: Convert to fraction form
    3,816.24/5,719.20 = 1,624.36/x
  3. Step 3: Cross multiply
    3,816.24x = 5,719.20 × 1,624.36
  4. Step 4: Simplify right side
    3,816.24x = 9,290,039.71
  5. Step 5: Solve for x
    x = 9,290,039.71/3,816.24
  6. Step 6: Final answer
    x = 2,434.34

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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.