Home / 3,515.50-4,857.80-3,344.64

Finding the Fourth Proportional to 3,515.50, 4,857.80 and 3,344.64

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Solution

The fourth proportional to 3,515.50, 4,857.80 and 3,344.64 is: 4,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.50 : 4,857.80 = 3,344.64 : x
  2. Step 2: Convert to fraction form
    3,515.50/4,857.80 = 3,344.64/x
  3. Step 3: Cross multiply
    3,515.50x = 4,857.80 × 3,344.64
  4. Step 4: Simplify right side
    3,515.50x = 16,247,592.19
  5. Step 5: Solve for x
    x = 16,247,592.19/3,515.50
  6. Step 6: Final answer
    x = 4,621.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.