Home / 3,140.49-4,334.03-1,743.25

Finding the Fourth Proportional to 3,140.49, 4,334.03 and 1,743.25

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Solution

The fourth proportional to 3,140.49, 4,334.03 and 1,743.25 is: 2,405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.49 : 4,334.03 = 1,743.25 : x
  2. Step 2: Convert to fraction form
    3,140.49/4,334.03 = 1,743.25/x
  3. Step 3: Cross multiply
    3,140.49x = 4,334.03 × 1,743.25
  4. Step 4: Simplify right side
    3,140.49x = 7,555,289.08
  5. Step 5: Solve for x
    x = 7,555,289.08/3,140.49
  6. Step 6: Final answer
    x = 2,405.77

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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.