Home / 3,579.72-4,937.09-2,520.99

Finding the Fourth Proportional to 3,579.72, 4,937.09 and 2,520.99

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Solution

The fourth proportional to 3,579.72, 4,937.09 and 2,520.99 is: 3,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.72 : 4,937.09 = 2,520.99 : x
  2. Step 2: Convert to fraction form
    3,579.72/4,937.09 = 2,520.99/x
  3. Step 3: Cross multiply
    3,579.72x = 4,937.09 × 2,520.99
  4. Step 4: Simplify right side
    3,579.72x = 12,446,341.91
  5. Step 5: Solve for x
    x = 12,446,341.91/3,579.72
  6. Step 6: Final answer
    x = 3,476.90

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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.