Home / 3,140.43-4,333.71-1,743.18

Finding the Fourth Proportional to 3,140.43, 4,333.71 and 1,743.18

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Solution

The fourth proportional to 3,140.43, 4,333.71 and 1,743.18 is: 2,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.43 : 4,333.71 = 1,743.18 : x
  2. Step 2: Convert to fraction form
    3,140.43/4,333.71 = 1,743.18/x
  3. Step 3: Cross multiply
    3,140.43x = 4,333.71 × 1,743.18
  4. Step 4: Simplify right side
    3,140.43x = 7,554,436.60
  5. Step 5: Solve for x
    x = 7,554,436.60/3,140.43
  6. Step 6: Final answer
    x = 2,405.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.