Home / 3,354.43-4,631.36-2,999.20

Finding the Fourth Proportional to 3,354.43, 4,631.36 and 2,999.20

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Solution

The fourth proportional to 3,354.43, 4,631.36 and 2,999.20 is: 4,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.43 : 4,631.36 = 2,999.20 : x
  2. Step 2: Convert to fraction form
    3,354.43/4,631.36 = 2,999.20/x
  3. Step 3: Cross multiply
    3,354.43x = 4,631.36 × 2,999.20
  4. Step 4: Simplify right side
    3,354.43x = 13,890,374.91
  5. Step 5: Solve for x
    x = 13,890,374.91/3,354.43
  6. Step 6: Final answer
    x = 4,140.90

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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.