Home / 3,807.20-5,709.49-2,582.08

Finding the Fourth Proportional to 3,807.20, 5,709.49 and 2,582.08

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Solution

The fourth proportional to 3,807.20, 5,709.49 and 2,582.08 is: 3,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.20 : 5,709.49 = 2,582.08 : x
  2. Step 2: Convert to fraction form
    3,807.20/5,709.49 = 2,582.08/x
  3. Step 3: Cross multiply
    3,807.20x = 5,709.49 × 2,582.08
  4. Step 4: Simplify right side
    3,807.20x = 14,742,339.21
  5. Step 5: Solve for x
    x = 14,742,339.21/3,807.20
  6. Step 6: Final answer
    x = 3,872.22

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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.