Home / 1,664.17-2,496.67-624.28

Finding the Fourth Proportional to 1,664.17, 2,496.67 and 624.28

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Solution

The fourth proportional to 1,664.17, 2,496.67 and 624.28 is: 936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.17 : 2,496.67 = 624.28 : x
  2. Step 2: Convert to fraction form
    1,664.17/2,496.67 = 624.28/x
  3. Step 3: Cross multiply
    1,664.17x = 2,496.67 × 624.28
  4. Step 4: Simplify right side
    1,664.17x = 1,558,628.56
  5. Step 5: Solve for x
    x = 1,558,628.56/1,664.17
  6. Step 6: Final answer
    x = 936.58

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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.