Home / 3,549.50-4,896.69-2,431.70

Finding the Fourth Proportional to 3,549.50, 4,896.69 and 2,431.70

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Solution

The fourth proportional to 3,549.50, 4,896.69 and 2,431.70 is: 3,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.50 : 4,896.69 = 2,431.70 : x
  2. Step 2: Convert to fraction form
    3,549.50/4,896.69 = 2,431.70/x
  3. Step 3: Cross multiply
    3,549.50x = 4,896.69 × 2,431.70
  4. Step 4: Simplify right side
    3,549.50x = 11,907,281.07
  5. Step 5: Solve for x
    x = 11,907,281.07/3,549.50
  6. Step 6: Final answer
    x = 3,354.64

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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.