Home / 1,816.36-2,724.24-517.52

Finding the Fourth Proportional to 1,816.36, 2,724.24 and 517.52

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Solution

The fourth proportional to 1,816.36, 2,724.24 and 517.52 is: 776.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.36 : 2,724.24 = 517.52 : x
  2. Step 2: Convert to fraction form
    1,816.36/2,724.24 = 517.52/x
  3. Step 3: Cross multiply
    1,816.36x = 2,724.24 × 517.52
  4. Step 4: Simplify right side
    1,816.36x = 1,409,848.68
  5. Step 5: Solve for x
    x = 1,409,848.68/1,816.36
  6. Step 6: Final answer
    x = 776.20

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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.