Home / 4,389.72-6,582.90-2,388

Finding the Fourth Proportional to 4,389.72, 6,582.90 and 2,388

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Solution

The fourth proportional to 4,389.72, 6,582.90 and 2,388 is: 3,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.72 : 6,582.90 = 2,388 : x
  2. Step 2: Convert to fraction form
    4,389.72/6,582.90 = 2,388/x
  3. Step 3: Cross multiply
    4,389.72x = 6,582.90 × 2,388
  4. Step 4: Simplify right side
    4,389.72x = 15,719,965.20
  5. Step 5: Solve for x
    x = 15,719,965.20/4,389.72
  6. Step 6: Final answer
    x = 3,581.09

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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.