Home / 1,664.76-2,496.30-624.72

Finding the Fourth Proportional to 1,664.76, 2,496.30 and 624.72

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Solution

The fourth proportional to 1,664.76, 2,496.30 and 624.72 is: 936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.76 : 2,496.30 = 624.72 : x
  2. Step 2: Convert to fraction form
    1,664.76/2,496.30 = 624.72/x
  3. Step 3: Cross multiply
    1,664.76x = 2,496.30 × 624.72
  4. Step 4: Simplify right side
    1,664.76x = 1,559,488.54
  5. Step 5: Solve for x
    x = 1,559,488.54/1,664.76
  6. Step 6: Final answer
    x = 936.76

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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.