Home / 3,354.64-4,631-2,160.30

Finding the Fourth Proportional to 3,354.64, 4,631 and 2,160.30

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Solution

The fourth proportional to 3,354.64, 4,631 and 2,160.30 is: 2,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.64 : 4,631 = 2,160.30 : x
  2. Step 2: Convert to fraction form
    3,354.64/4,631 = 2,160.30/x
  3. Step 3: Cross multiply
    3,354.64x = 4,631 × 2,160.30
  4. Step 4: Simplify right side
    3,354.64x = 10,004,349.30
  5. Step 5: Solve for x
    x = 10,004,349.30/3,354.64
  6. Step 6: Final answer
    x = 2,982.24

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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.