Home / 1,664.34-2,497.65-625.14

Finding the Fourth Proportional to 1,664.34, 2,497.65 and 625.14

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Solution

The fourth proportional to 1,664.34, 2,497.65 and 625.14 is: 938.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.34 : 2,497.65 = 625.14 : x
  2. Step 2: Convert to fraction form
    1,664.34/2,497.65 = 625.14/x
  3. Step 3: Cross multiply
    1,664.34x = 2,497.65 × 625.14
  4. Step 4: Simplify right side
    1,664.34x = 1,561,380.92
  5. Step 5: Solve for x
    x = 1,561,380.92/1,664.34
  6. Step 6: Final answer
    x = 938.14

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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.