Home / 3,315.97-4,973.94-1,126.25

Finding the Fourth Proportional to 3,315.97, 4,973.94 and 1,126.25

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Solution

The fourth proportional to 3,315.97, 4,973.94 and 1,126.25 is: 1,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.97 : 4,973.94 = 1,126.25 : x
  2. Step 2: Convert to fraction form
    3,315.97/4,973.94 = 1,126.25/x
  3. Step 3: Cross multiply
    3,315.97x = 4,973.94 × 1,126.25
  4. Step 4: Simplify right side
    3,315.97x = 5,601,875.06
  5. Step 5: Solve for x
    x = 5,601,875.06/3,315.97
  6. Step 6: Final answer
    x = 1,689.36

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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.