Home / 3,323.75-4,984.93-1,131.29

Finding the Fourth Proportional to 3,323.75, 4,984.93 and 1,131.29

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Solution

The fourth proportional to 3,323.75, 4,984.93 and 1,131.29 is: 1,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.75 : 4,984.93 = 1,131.29 : x
  2. Step 2: Convert to fraction form
    3,323.75/4,984.93 = 1,131.29/x
  3. Step 3: Cross multiply
    3,323.75x = 4,984.93 × 1,131.29
  4. Step 4: Simplify right side
    3,323.75x = 5,639,401.46
  5. Step 5: Solve for x
    x = 5,639,401.46/3,323.75
  6. Step 6: Final answer
    x = 1,696.70

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1.5x scale

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.