Home / 3,113.94-4,668.46-1,957.26

Finding the Fourth Proportional to 3,113.94, 4,668.46 and 1,957.26

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Solution

The fourth proportional to 3,113.94, 4,668.46 and 1,957.26 is: 2,934.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.94 : 4,668.46 = 1,957.26 : x
  2. Step 2: Convert to fraction form
    3,113.94/4,668.46 = 1,957.26/x
  3. Step 3: Cross multiply
    3,113.94x = 4,668.46 × 1,957.26
  4. Step 4: Simplify right side
    3,113.94x = 9,137,390.02
  5. Step 5: Solve for x
    x = 9,137,390.02/3,113.94
  6. Step 6: Final answer
    x = 2,934.35

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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.