Home / 1,636.93-2,438.84-1,554.31

Finding the Fourth Proportional to 1,636.93, 2,438.84 and 1,554.31

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Solution

The fourth proportional to 1,636.93, 2,438.84 and 1,554.31 is: 2,315.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.93 : 2,438.84 = 1,554.31 : x
  2. Step 2: Convert to fraction form
    1,636.93/2,438.84 = 1,554.31/x
  3. Step 3: Cross multiply
    1,636.93x = 2,438.84 × 1,554.31
  4. Step 4: Simplify right side
    1,636.93x = 3,790,713.40
  5. Step 5: Solve for x
    x = 3,790,713.40/1,636.93
  6. Step 6: Final answer
    x = 2,315.75

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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.