Home / 3,354.72-4,631.61-2,160.24

Finding the Fourth Proportional to 3,354.72, 4,631.61 and 2,160.24

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Solution

The fourth proportional to 3,354.72, 4,631.61 and 2,160.24 is: 2,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.72 : 4,631.61 = 2,160.24 : x
  2. Step 2: Convert to fraction form
    3,354.72/4,631.61 = 2,160.24/x
  3. Step 3: Cross multiply
    3,354.72x = 4,631.61 × 2,160.24
  4. Step 4: Simplify right side
    3,354.72x = 10,005,389.19
  5. Step 5: Solve for x
    x = 10,005,389.19/3,354.72
  6. Step 6: Final answer
    x = 2,982.48

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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.