Home / 2,552.49-3,828.72-1,686.60

Finding the Fourth Proportional to 2,552.49, 3,828.72 and 1,686.60

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Solution

The fourth proportional to 2,552.49, 3,828.72 and 1,686.60 is: 2,529.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552.49 : 3,828.72 = 1,686.60 : x
  2. Step 2: Convert to fraction form
    2,552.49/3,828.72 = 1,686.60/x
  3. Step 3: Cross multiply
    2,552.49x = 3,828.72 × 1,686.60
  4. Step 4: Simplify right side
    2,552.49x = 6,457,519.15
  5. Step 5: Solve for x
    x = 6,457,519.15/2,552.49
  6. Step 6: Final answer
    x = 2,529.89

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.