Home / 1,664.87-2,496.23-624.83

Finding the Fourth Proportional to 1,664.87, 2,496.23 and 624.83

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Solution

The fourth proportional to 1,664.87, 2,496.23 and 624.83 is: 936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.87 : 2,496.23 = 624.83 : x
  2. Step 2: Convert to fraction form
    1,664.87/2,496.23 = 624.83/x
  3. Step 3: Cross multiply
    1,664.87x = 2,496.23 × 624.83
  4. Step 4: Simplify right side
    1,664.87x = 1,559,719.39
  5. Step 5: Solve for x
    x = 1,559,719.39/1,664.87
  6. Step 6: Final answer
    x = 936.84

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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.