Home / 4,208.80-5,805.60-2,529.28

Finding the Fourth Proportional to 4,208.80, 5,805.60 and 2,529.28

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Solution

The fourth proportional to 4,208.80, 5,805.60 and 2,529.28 is: 3,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.80 : 5,805.60 = 2,529.28 : x
  2. Step 2: Convert to fraction form
    4,208.80/5,805.60 = 2,529.28/x
  3. Step 3: Cross multiply
    4,208.80x = 5,805.60 × 2,529.28
  4. Step 4: Simplify right side
    4,208.80x = 14,683,987.97
  5. Step 5: Solve for x
    x = 14,683,987.97/4,208.80
  6. Step 6: Final answer
    x = 3,488.88

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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.