Home / 3,852.91-5,317.09-2,173.99

Finding the Fourth Proportional to 3,852.91, 5,317.09 and 2,173.99

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Solution

The fourth proportional to 3,852.91, 5,317.09 and 2,173.99 is: 3,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.91 : 5,317.09 = 2,173.99 : x
  2. Step 2: Convert to fraction form
    3,852.91/5,317.09 = 2,173.99/x
  3. Step 3: Cross multiply
    3,852.91x = 5,317.09 × 2,173.99
  4. Step 4: Simplify right side
    3,852.91x = 11,559,300.49
  5. Step 5: Solve for x
    x = 11,559,300.49/3,852.91
  6. Step 6: Final answer
    x = 3,000.15

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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.