Home / 1,636.68-2,438.46-1,554.06

Finding the Fourth Proportional to 1,636.68, 2,438.46 and 1,554.06

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Solution

The fourth proportional to 1,636.68, 2,438.46 and 1,554.06 is: 2,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.68 : 2,438.46 = 1,554.06 : x
  2. Step 2: Convert to fraction form
    1,636.68/2,438.46 = 1,554.06/x
  3. Step 3: Cross multiply
    1,636.68x = 2,438.46 × 1,554.06
  4. Step 4: Simplify right side
    1,636.68x = 3,789,513.15
  5. Step 5: Solve for x
    x = 3,789,513.15/1,636.68
  6. Step 6: Final answer
    x = 2,315.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.