Home / 3,423.08-5,137.29-1,575.02

Finding the Fourth Proportional to 3,423.08, 5,137.29 and 1,575.02

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Solution

The fourth proportional to 3,423.08, 5,137.29 and 1,575.02 is: 2,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.08 : 5,137.29 = 1,575.02 : x
  2. Step 2: Convert to fraction form
    3,423.08/5,137.29 = 1,575.02/x
  3. Step 3: Cross multiply
    3,423.08x = 5,137.29 × 1,575.02
  4. Step 4: Simplify right side
    3,423.08x = 8,091,334.50
  5. Step 5: Solve for x
    x = 8,091,334.50/3,423.08
  6. Step 6: Final answer
    x = 2,363.76

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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.