Home / 3,317.94-4,977.51-1,126.47

Finding the Fourth Proportional to 3,317.94, 4,977.51 and 1,126.47

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Solution

The fourth proportional to 3,317.94, 4,977.51 and 1,126.47 is: 1,689.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.94 : 4,977.51 = 1,126.47 : x
  2. Step 2: Convert to fraction form
    3,317.94/4,977.51 = 1,126.47/x
  3. Step 3: Cross multiply
    3,317.94x = 4,977.51 × 1,126.47
  4. Step 4: Simplify right side
    3,317.94x = 5,607,015.69
  5. Step 5: Solve for x
    x = 5,607,015.69/3,317.94
  6. Step 6: Final answer
    x = 1,689.91

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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.