Home / 3,554.62-5,335.58-3,423.40

Finding the Fourth Proportional to 3,554.62, 5,335.58 and 3,423.40

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Solution

The fourth proportional to 3,554.62, 5,335.58 and 3,423.40 is: 5,138.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.62 : 5,335.58 = 3,423.40 : x
  2. Step 2: Convert to fraction form
    3,554.62/5,335.58 = 3,423.40/x
  3. Step 3: Cross multiply
    3,554.62x = 5,335.58 × 3,423.40
  4. Step 4: Simplify right side
    3,554.62x = 18,265,824.57
  5. Step 5: Solve for x
    x = 18,265,824.57/3,554.62
  6. Step 6: Final answer
    x = 5,138.62

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1.5x scale

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.