Home / 4,321.40-5,962.02-2,828.84

Finding the Fourth Proportional to 4,321.40, 5,962.02 and 2,828.84

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Solution

The fourth proportional to 4,321.40, 5,962.02 and 2,828.84 is: 3,902.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.40 : 5,962.02 = 2,828.84 : x
  2. Step 2: Convert to fraction form
    4,321.40/5,962.02 = 2,828.84/x
  3. Step 3: Cross multiply
    4,321.40x = 5,962.02 × 2,828.84
  4. Step 4: Simplify right side
    4,321.40x = 16,865,600.66
  5. Step 5: Solve for x
    x = 16,865,600.66/4,321.40
  6. Step 6: Final answer
    x = 3,902.81

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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.