Home / 3,619.34-5,423.54-2,690.54

Finding the Fourth Proportional to 3,619.34, 5,423.54 and 2,690.54

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Solution

The fourth proportional to 3,619.34, 5,423.54 and 2,690.54 is: 4,031.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.34 : 5,423.54 = 2,690.54 : x
  2. Step 2: Convert to fraction form
    3,619.34/5,423.54 = 2,690.54/x
  3. Step 3: Cross multiply
    3,619.34x = 5,423.54 × 2,690.54
  4. Step 4: Simplify right side
    3,619.34x = 14,592,258.04
  5. Step 5: Solve for x
    x = 14,592,258.04/3,619.34
  6. Step 6: Final answer
    x = 4,031.75

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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.