Home / 2,552.42-3,828.63-1,686.53

Finding the Fourth Proportional to 2,552.42, 3,828.63 and 1,686.53

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Solution

The fourth proportional to 2,552.42, 3,828.63 and 1,686.53 is: 2,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552.42 : 3,828.63 = 1,686.53 : x
  2. Step 2: Convert to fraction form
    2,552.42/3,828.63 = 1,686.53/x
  3. Step 3: Cross multiply
    2,552.42x = 3,828.63 × 1,686.53
  4. Step 4: Simplify right side
    2,552.42x = 6,457,099.35
  5. Step 5: Solve for x
    x = 6,457,099.35/2,552.42
  6. Step 6: Final answer
    x = 2,529.80

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Similar ratio
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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.