Home / 3,816.15-5,724.90-1,352.40

Finding the Fourth Proportional to 3,816.15, 5,724.90 and 1,352.40

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Solution

The fourth proportional to 3,816.15, 5,724.90 and 1,352.40 is: 2,028.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.15 : 5,724.90 = 1,352.40 : x
  2. Step 2: Convert to fraction form
    3,816.15/5,724.90 = 1,352.40/x
  3. Step 3: Cross multiply
    3,816.15x = 5,724.90 × 1,352.40
  4. Step 4: Simplify right side
    3,816.15x = 7,742,354.76
  5. Step 5: Solve for x
    x = 7,742,354.76/3,816.15
  6. Step 6: Final answer
    x = 2,028.84

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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.